jfj

It requires GPS. Crashes on my tablet.

Also, see their Facebook. They publicly post GPS location of winners, together with StreetView. Is that stated in the app? It can be a privacy concern.

  com.carrotpop.www.smth         E/AndroidRuntime: FATAL EXCEPTION: main
        java.lang.IllegalArgumentException: requested provider gps doesn't exisit
        at android.os.Parcel.readException(Parcel.java:1429)
        at android.os.Parcel.readException(Parcel.java:1379)
        at android.location.ILocationManager$Stub$Proxy.requestLocationUpdates(ILocationManager.java:646)
        at android.location.LocationManager._requestLocationUpdates(LocationManager.java:660)
        at android.location.LocationManager.requestLocationUpdates(LocationManager.java:482)
        at com.ansca.corona.CoronaSensorManager$1.run(CoronaSensorManager.java:163)
        at android.os.Handler.handleCallback(Handler.java:615)
        at android.os.Handler.dispatchMessage(Handler.java:92)
        at android.os.Looper.loop(Looper.java:137)
        at android.app.ActivityThread.main(ActivityThread.java:4745)
        at java.lang.reflect.Method.invokeNative(Native Method)
        at java.lang.reflect.Method.invoke(Method.java:511)
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
        at dalvik.system.NativeStart.main(Native Method)