diff --git a/apps/walkersclock/README.md b/apps/walkersclock/README.md
new file mode 100644
index 000000000..0c10f79eb
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+++ b/apps/walkersclock/README.md
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+# Walkers Clock
+
+A larg font watch, displays steps, can switch GPS on/off, displays grid reference
+
+The watch works well with GPSsetup, the Activepedom or Widpedom
+wdigets.  A tiny GPS power widget is waiting in the wings for when
+the v2.09 firware is released.
+
+## Features
+
+- Displays the time in large font
+- Uses BTN1 to select modeline display (eg battery status or switch between setting when in a function mode
+- Uses BTN3 to select the function mode (eg turn on/off GPS, or change GPS display)
+    - two function menus at present
+      GPS Power   = On/Off
+      GPS Display = Grid | Speed Alt
+      when the modeline in CYAN use button BTN1 to switch between options 
+- Display the current steps if one of the steps widgets is installed
+- Ensures that BTN2 requires a 1.5 second press in order to switch to the launcher
+ this is so you dont accidently switch out of the GPS/watch display with you coat sleeve
+- Displays the timestamp of the last GPS fix when the GPS is on
+- Buzzes when the GPS aquires a positional satellite fix
+- Displays the current OS map grid reference in a large font
+- Displays the age of the current GPS position fix in seconds
+- Works in tandem with the GPS setup app so that you can reduce the power consumption of the GPS
+
+## BTN1 cycles the information line
+
+- By default the modeline is switched off
+- Click BTN1 once and display your steps (if one of the step widgets is installed)
+- Click BTN1 again and it will show battery % charge
+- Click BTN1 again and it will switch the modeline off
+
+## BTN2 Long press to start the launcher
+
+BTN2 is confiured to respond to a 1.5 second press in order to switch
+to the launcher App. Simply press and hold until you hear a buzz and
+release. This avoids accidently switching out of the watch app when
+clothing catches it.
+
+## BTN3 cycles the function mode
+
+- Click BTN3 once and the GPS ON / OFF menu is displayed
+- If the GPS is OFF then pressing BTN1 will turn it ON
+- If the GPS is ON then Clicking BTN1 will turn it OFF
+
+When the GPS is ON a second function menu can be displayed by
+pressing BTN3 again. This will show options to change the GPS display
+on the second line of the watch.
+
+- Grid - will display the GPS position converted to an OS Grid Ref
+- Speed - will display the GPS speed inforation supplied in the last GPS fix
+- Alt - will display the altitude information
+
+![](gps_osref.jpg)
+![](gps_speed.jpg)
+![](gps_alt.jpg)
+
+## Future Enhancements
+* Ability to turn on the Heart Rate monitor
+* Maybe a simple stopwatch capability
+* Fix the screen flicker
+
diff --git a/apps/walkersclock/app.js b/apps/walkersclock/app.js
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index 000000000..df009534a
--- /dev/null
+++ b/apps/walkersclock/app.js
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+/*
+ * Walkers clock, hugh barney AT googlemail DOT com
+ *
+ * A clock that has the following features
+ *  - displays the time in large font
+ *  - uses BTN1 to select modeline display (eg battery status or switch between setting when in a function mode
+ *  - uses BTN3 to select the function mode (eg turn on/off GPS, or change GPS display)
+ *    - two function menus at present
+ *      GPS Power   = On/Off
+ *      GPS Display = Grid | Speed Alt
+ *      when the modeline in CYAN use button BTN1 to switch between options 
+ *  - display the current steps if one of the steps widgets is installed
+ *  - ensures that BTN2 requires a 1.5 second press in order to switch to the launcher
+ *    this is so you dont accidently switch out of the GPS/watch display with you coat sleeve
+ *  - displays the timestamp of the last GPS fix when the GPS is on
+ *  - buzzes when the GPS aquires a positional satellite fix
+ *  - displays the current OS map grid reference in a large font
+ *  - displays the age of the current GPS position fix in seconds
+ *  - works in tandem with the GPS setup app so that you can reduce the power consumption of the GPS
+ *
+ */
+
+const INFO_NONE = "none";
+const INFO_BATT = "batt";
+const INFO_STEPS = "step";
+
+const FN_MODE_OFF = "fn_mode_off";
+const FN_MODE_GPS = "fn_mode_gps";
+const FN_MODE_GDISP = "fn_mode_gdisp";
+
+const GPS_OFF = "gps_off";
+const GPS_TIME = "gps_time";
+const GPS_SATS = "gps_sats";
+const GPS_RUNNING = "gps_running";
+
+const GDISP_OS = "g_osref";
+const GDISP_SPEED = "g_speed";
+const GDISP_ALT = "g_alt";
+
+const Y_TIME = 40;
+const Y_ACTIVITY = 120;
+const Y_MODELINE = 200;
+
+let gpsState = GPS_OFF;
+let gpsPowerState = false;
+let infoMode = INFO_NONE;
+let functionMode = FN_MODE_OFF;
+let gpsDisplay = GDISP_OS;
+
+let last_steps = undefined;
+let firstPress = 0;
+
+let last_fix = {
+  fix: 0,
+  alt: 0,
+  lat: 0,
+  lon: 0,
+  speed: 0,
+  time: 0,
+  satellites: 0
+};
+
+function drawTime() {  
+  var d = new Date();
+  var da = d.toString().split(" ");
+  var time = da[4].substr(0,5);
+
+  g.reset();
+  g.clearRect(0,24,239,239);
+  g.setColor(1,1,1);  // white
+  g.setFontAlign(0, -1);
+
+  if (gpsState == GPS_SATS || gpsState == GPS_RUNNING) {
+    time = last_fix.time.toUTCString().split(" ");
+    time = time[4];
+    g.setFont("Vector", 56);
+  } else {
+    g.setFont("Vector", 80);
+  }
+  
+  g.drawString(time, g.getWidth()/2, Y_TIME);
+}
+
+function drawSteps() { 
+  g.setColor(0,255,0);  // green
+  g.setFont("Vector", 60);
+  g.drawString(getSteps(), g.getWidth()/2, Y_ACTIVITY);
+}
+
+function drawActivity() {
+  if (!gpsPowerState) {
+    drawSteps();
+    return;
+  }
+  
+  g.setFont("6x8", 3);
+  g.setColor(1,1,1);
+  g.setFontAlign(0, -1);
+
+  if (gpsState == GPS_TIME) {
+    g.drawString("Waiting for", g.getWidth()/2, Y_ACTIVITY);
+    g.drawString("GPS", g.getWidth()/2, Y_ACTIVITY + 30);
+    return;
+  }
+
+  if (gpsState == GPS_SATS) {
+    g.drawString("Satellites", g.getWidth()/2, Y_ACTIVITY);
+    g.drawString(last_fix.satellites, g.getWidth()/2, Y_ACTIVITY + 30);
+    return;
+  }
+
+  if (gpsState == GPS_RUNNING) {
+    //console.log("Draw GPS Running");
+    let time = formatTime(last_fix.time);
+    let age = timeSince(time);
+    let os = OsGridRef.latLongToOsGrid(last_fix);
+    let ref = to_map_ref(6, os.easting, os.northing);
+    let speed;
+    
+    if (age < 0) age = 0;
+    g.setFontVector(40);
+    g.setColor(0xFFC0); 
+
+    switch(gpsDisplay) {
+    case GDISP_OS:
+      g.drawString(ref, 120, Y_ACTIVITY, true);
+      break;
+    case GDISP_SPEED:
+      speed = last_fix.speed;
+      speed = speed.toFixed(1);
+      g.drawString(speed + "kph", 120, Y_ACTIVITY, true);
+      break;
+    case GDISP_ALT:
+      g.drawString(last_fix.alt + "m" , 120, Y_ACTIVITY, true);
+      break;
+    }
+
+    g.setFont("6x8",2);
+    g.setColor(1,1,1); 
+    g.drawString(age, 120, Y_ACTIVITY + 46);
+  }
+}
+
+function onTick() {
+  if (!Bangle.isLCDOn())
+    return;
+  
+  if (gpsPowerState) {
+    drawAll();
+    return;
+  }
+
+  if (last_steps != getSteps()) {
+    last_steps = getSteps();
+    drawAll();
+    return;
+  }
+
+  var t = new Date();
+
+  if (t.getSeconds() === 0 && !gpsPowerState) {
+    drawAll();
+  }
+}
+
+function drawAll(){
+  drawTime();
+  drawActivity();  // steps, hrt or gps
+  drawInfo();
+}
+
+function drawInfo() {
+  let val;
+  let str = "";
+  let col = 0x07E0; // green
+
+  //console.log("drawInfo(), infoMode=" + infoMode + " funcMode=" + functionMode);
+
+  switch(functionMode) {
+  case FN_MODE_OFF:
+    break;
+  case FN_MODE_GPS:
+    col = 0x07FF; // cyan
+    str = "GPS: " + (gpsPowerState ? "ON" : "OFF");
+    drawModeLine(str,col);
+    return;
+  case FN_MODE_GDISP:
+    col = 0x07FF; // cyan
+    switch(gpsDisplay) {
+    case GDISP_OS:
+      str = "GPS: Grid";
+      break;
+    case GDISP_SPEED:
+      str = "GPS: Speed";
+      break;
+    case GDISP_ALT:
+      str = "GPS: Alt";
+      break;
+    }
+    drawModeLine(str,col);
+    return;
+  }
+  
+  switch(infoMode) {
+  case INFO_NONE:
+    col = 0x0000;
+    str = "";
+    break;
+  case INFO_STEPS:
+    str = "Steps: " + getSteps();
+    break;
+  case INFO_BATT:
+  default:
+    str = "Battery: " + E.getBattery() + "%";
+  }
+
+  drawModeLine(str,col);
+}
+
+function drawModeLine(str, col) {
+  g.setFont("6x8", 3);
+  g.setColor(col);
+  g.fillRect(0, Y_MODELINE - 3, 239, Y_MODELINE + 25);
+  g.setColor(0,0,0);
+  g.setFontAlign(0, -1);
+  g.drawString(str, g.getWidth()/2, Y_MODELINE);
+}
+
+function changeInfoMode() {
+  switch(functionMode) {
+  case FN_MODE_OFF:
+    break;
+  case FN_MODE_GPS:
+    gpsPowerState = !gpsPowerState;
+    Bangle.buzz();
+    Bangle.setGPSPower(gpsPowerState ? 1 : 0);
+    if (gpsPowerState) {
+      gpsState = GPS_TIME; // waiting first response so we can display time
+      Bangle.on('GPS', processFix);
+    } else {
+      Bangle.removeListener("GPS", processFix);
+      gpsState = GPS_OFF;
+    }
+    resetLastFix();
+
+    // poke the gps widget indicator to change
+    if (WIDGETS.gps !== undefined) {
+      WIDGETS.gps.draw();
+    }
+    functionMode = FN_MODE_OFF;
+    infoMode = INFO_NONE;
+    //drawInfo();
+    return;
+    
+  case FN_MODE_GDISP:
+    switch (gpsDisplay) {
+    case GDISP_OS:
+      gpsDisplay = GDISP_SPEED;
+      break;
+    case GDISP_SPEED:
+      gpsDisplay = GDISP_ALT;
+      break;
+    case GDISP_ALT:
+    default:
+      gpsDisplay = GDISP_OS;
+      break;
+    }
+  }
+  
+  switch(infoMode) {
+  case INFO_NONE:
+    if (stepsWidget() !== undefined)
+      infoMode = INFO_STEPS;
+    else
+      infoMode = INFO_BATT;
+    break;
+  case INFO_STEPS:
+    infoMode = INFO_BATT;
+    break;
+  case INFO_BATT:
+  default:
+    infoMode = INFO_NONE;
+  }
+  //drawInfo();
+}
+
+function changeFunctionMode() {
+  //console.log("changeFunctionMode()");
+
+  if (gpsState != GPS_RUNNING) {
+    switch(functionMode) {
+    case FN_MODE_OFF:
+      functionMode = FN_MODE_GPS;
+      break;
+    case FN_MODE_GPS:
+    default:
+      functionMode = FN_MODE_OFF;
+      break;
+    }
+  } else {
+    // if GPS is RUNNING then we want the GPS display options first
+    switch(functionMode) {
+    case FN_MODE_OFF:
+      functionMode = FN_MODE_GDISP;
+      break;
+    case FN_MODE_GDISP:
+      functionMode = FN_MODE_GPS;
+      break;
+    case FN_MODE_GPS:
+    default:
+      functionMode = FN_MODE_OFF;
+      break;
+    }
+  }
+  
+  infoMode = INFO_NONE; // function mode overrides info mode
+}
+
+function resetLastFix() {
+  last_fix = {
+    fix: 0,
+    alt: 0,
+    lat: 0,
+    lon: 0,
+    speed: 0,
+    time: 0,
+    satellites: 0
+  };
+}
+
+function processFix(fix) {
+  last_fix.time = fix.time;
+
+  if (gpsState == GPS_TIME)
+    gpsState = GPS_SATS;
+  
+  if (fix.fix) {
+    if (!last_fix.fix) Bangle.buzz(); // buzz on first position
+    gpsState = GPS_RUNNING;
+    last_fix = fix;
+  }
+}
+
+function getSteps() {
+  if (stepsWidget() !== undefined)
+    return stepsWidget().getSteps();
+  return "-";
+}
+
+function stepsWidget() {
+  if (WIDGETS.activepedom !== undefined) {
+    return WIDGETS.activepedom;
+  } else if (WIDGETS.wpedom !== undefined) {
+    return WIDGETS.wpedom;
+  }
+  return undefined;
+}
+  
+
+/*************     GPS  / OSREF Code **************************/
+
+function formatTime(now) {
+  var fd = now.toUTCString().split(" ");
+  return fd[4];
+}
+
+function timeSince(t) {
+  var hms = t.split(":");
+  var now = new Date();
+  
+  var sn = 3600*(now.getHours()) + 60*(now.getMinutes()) + 1*(now.getSeconds());
+  var st = 3600*(hms[0]) + 60*(hms[1]) + 1*(hms[2]);
+  
+  return (sn - st);
+}
+
+Number.prototype.toRad = function() { return this*Math.PI/180; };
+/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  */
+/*  Ordnance Survey Grid Reference functions  (c) Chris Veness 2005-2014                          */
+/*   - www.movable-type.co.uk/scripts/gridref.js                                                  */
+/*   - www.movable-type.co.uk/scripts/latlon-gridref.html                                         */
+/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  */
+function OsGridRef(easting, northing) {
+  this.easting = 0|easting;
+  this.northing = 0|northing;
+}
+OsGridRef.latLongToOsGrid = function(point) {
+  var lat = point.lat.toRad();
+  var lon = point.lon.toRad();
+
+  var a = 6377563.396, b = 6356256.909;          // Airy 1830 major & minor semi-axes
+  var F0 = 0.9996012717;                         // NatGrid scale factor on central meridian
+  var lat0 = (49).toRad(), lon0 = (-2).toRad();  // NatGrid true origin is 49�N,2�W
+  var N0 = -100000, E0 = 400000;                 // northing & easting of true origin, metres
+  var e2 = 1 - (b*b)/(a*a);                      // eccentricity squared
+  var n = (a-b)/(a+b), n2 = n*n, n3 = n*n*n;
+
+  var cosLat = Math.cos(lat), sinLat = Math.sin(lat);
+  var nu = a*F0/Math.sqrt(1-e2*sinLat*sinLat);              // transverse radius of curvature
+  var rho = a*F0*(1-e2)/Math.pow(1-e2*sinLat*sinLat, 1.5);  // meridional radius of curvature
+  var eta2 = nu/rho-1;
+
+  var Ma = (1 + n + (5/4)*n2 + (5/4)*n3) * (lat-lat0);
+  var Mb = (3*n + 3*n*n + (21/8)*n3) * Math.sin(lat-lat0) * Math.cos(lat+lat0);
+  var Mc = ((15/8)*n2 + (15/8)*n3) * Math.sin(2*(lat-lat0)) * Math.cos(2*(lat+lat0));
+  var Md = (35/24)*n3 * Math.sin(3*(lat-lat0)) * Math.cos(3*(lat+lat0));
+  var M = b * F0 * (Ma - Mb + Mc - Md);              // meridional arc
+
+  var cos3lat = cosLat*cosLat*cosLat;
+  var cos5lat = cos3lat*cosLat*cosLat;
+  var tan2lat = Math.tan(lat)*Math.tan(lat);
+  var tan4lat = tan2lat*tan2lat;
+
+  var I = M + N0;
+  var II = (nu/2)*sinLat*cosLat;
+  var III = (nu/24)*sinLat*cos3lat*(5-tan2lat+9*eta2);
+  var IIIA = (nu/720)*sinLat*cos5lat*(61-58*tan2lat+tan4lat);
+  var IV = nu*cosLat;
+  var V = (nu/6)*cos3lat*(nu/rho-tan2lat);
+  var VI = (nu/120) * cos5lat * (5 - 18*tan2lat + tan4lat + 14*eta2 - 58*tan2lat*eta2);
+
+  var dLon = lon-lon0;
+  var dLon2 = dLon*dLon, dLon3 = dLon2*dLon, dLon4 = dLon3*dLon, dLon5 = dLon4*dLon, dLon6 = dLon5*dLon;
+
+  var N = I + II*dLon2 + III*dLon4 + IIIA*dLon6;
+  var E = E0 + IV*dLon + V*dLon3 + VI*dLon5;
+
+  return new OsGridRef(E, N);
+};
+
+/*
+ * converts northing, easting to standard OS grid reference.
+ *
+ * [digits=10] - precision (10 digits = metres)
+ *   to_map_ref(8, 651409, 313177); => 'TG 5140 1317'
+ *   to_map_ref(0, 651409, 313177); => '651409,313177'
+ *
+ */
+function to_map_ref(digits, easting, northing) {
+  if (![ 0,2,4,6,8,10,12,14,16 ].includes(Number(digits))) throw new RangeError(`invalid precision '${digits}'`); // eslint-disable-line comma-spacing
+
+  let e = easting;
+  let n = northing;
+
+  // use digits = 0 to return numeric format (in metres) - note northing may be >= 1e7
+  if (digits == 0) {
+    const format = { useGrouping: false,  minimumIntegerDigits: 6, maximumFractionDigits: 3 };
+    const ePad = e.toLocaleString('en', format);
+    const nPad = n.toLocaleString('en', format);
+    return `${ePad},${nPad}`;
+  }
+
+  // get the 100km-grid indices
+  const e100km = Math.floor(e / 100000), n100km = Math.floor(n / 100000);
+
+  // translate those into numeric equivalents of the grid letters
+  let l1 = (19 - n100km) - (19 - n100km) % 5 + Math.floor((e100km + 10) / 5);
+  let l2 = (19 - n100km) * 5 % 25 + e100km % 5;
+
+  // compensate for skipped 'I' and build grid letter-pairs
+  if (l1 > 7) l1++;
+  if (l2 > 7) l2++;
+  const letterPair = String.fromCharCode(l1 + 'A'.charCodeAt(0), l2 + 'A'.charCodeAt(0));
+
+  // strip 100km-grid indices from easting & northing, and reduce precision
+  e = Math.floor((e % 100000) / Math.pow(10, 5 - digits / 2));
+  n = Math.floor((n % 100000) / Math.pow(10, 5 - digits / 2));
+
+  // pad eastings & northings with leading zeros
+  e = e.toString().padStart(digits/2, '0');
+  n = n.toString().padStart(digits/2, '0');
+
+  return `${letterPair} ${e} ${n}`;
+}
+
+// start a timer and buzz whenn held long enough
+function firstPressed() {
+  firstPress = getTime();
+  pressTimer = setInterval(longPressCheck, 1500);
+}
+
+// if you release too soon there is no buzz as timer is cleared
+function thenReleased() {
+  var dur = getTime() - firstPress;
+  if (pressTimer) {
+    clearInterval(pressTimer);
+    pressTimer = undefined;
+  }
+  if ( dur >= 1.5 ) Bangle.showLauncher();
+}
+
+// when you feel the buzzer you know you have done a long press
+function longPressCheck() {
+  Bangle.buzz();
+  if (pressTimer) {
+    clearInterval(pressTimer);
+    pressTimer = undefined;
+  }
+}
+
+var pressTimer;
+
+g.clear();
+Bangle.loadWidgets();
+Bangle.drawWidgets();
+drawAll();
+
+Bangle.on('lcdPower',function(on) {
+  functionMode = FN_MODE_OFF;
+  infoMode = INFO_NONE;
+  if (on) drawAll();
+});
+
+var click = setInterval(onTick, 5000);
+
+setWatch(() => { changeInfoMode(); drawAll(); }, BTN1, {repeat: true});
+setWatch(() => { changeFunctionMode(); drawAll(); }, BTN3, {repeat: true});
+
+// make BTN require a long press (1.5 seconds) to switch to launcher
+setWatch(firstPressed, BTN2,{repeat:true,edge:"rising"});
+setWatch(thenReleased, BTN2,{repeat:true,edge:"falling"});
+
diff --git a/apps/walkersclock/gps_alt.jpg b/apps/walkersclock/gps_alt.jpg
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diff --git a/apps/walkersclock/gps_osref.jpg b/apps/walkersclock/gps_osref.jpg
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diff --git a/apps/walkersclock/gps_speed.jpg b/apps/walkersclock/gps_speed.jpg
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diff --git a/apps/walkersclock/icon.js b/apps/walkersclock/icon.js
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@@ -0,0 +1 @@
+require("heatshrink").decompress(atob("mEwgRC/AH4Ae/4AEBaPwAgcPBaIvvBZkL8ED6ALHl/4+XgBY89vnw+ALHngDB+gLK3AjKng7JBwJTJgEfO76/iAH4A/ADAA="))
diff --git a/apps/walkersclock/walkersclock48.png b/apps/walkersclock/walkersclock48.png
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