Manually merge gmeter from https://github.com/espruino/BangleApps/pull/602

apps.json

@@ -2445,5 +2445,17 @@
     {"name":"mario_wh.img","url":"mario_wh.js","evaluate":true},
     {"name":"pipe.img","url":"pipe.js","evaluate":true}
   ]
+},
+{ "id": "gmeter",
+  "name": "G-Meter",
+  "shortName":"G-Meter",
+  "icon": "app.png",
+  "version":"0.01",
+  "description": "Simple G-Meter",
+  "tags": "",
+  "storage": [
+    {"name":"gmeter.app.js","url":"app.js"},
+    {"name":"gmeter.img","url":"app-icon.js","evaluate":true}
+  ]	
 }
 ]

apps/gmeter/app-icon.js

@@ -0,0 +1 @@
+require("heatshrink").decompress(atob("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"))

apps/gmeter/app.js

@@ -0,0 +1,6 @@
+g.clear();
+g.setFont("6x8",5);g.setFontAlign(-1,0);
+Bangle.on('accel',function(accelData) {
+  g.drawString(" "+accelData.mag.toFixed(1)+" ",75,105,true);
+  g.drawString('G\'s',75,180,true);
+});