The default one is 16x16 pixels (the "iq") and it is tiny on the device screen in the app list. What is the proper size? does it differ between devices?
I couldn't find it documented anywhere.
C:\Garmin\connectiq-sdk-win-1.1.0\bin>findstr "launcher_icon device" devices.xml
<devices>
<device id="square_watch_sim" part_number="006-07782-73">
<launcher_icon width="61" height="43" />
</device>
<device id="square_watch" part_number="006-07782-73" name="Square Watch">
<launcher_icon width="61" height="43" />
</device>
<device id="round_watch_sim" part_number="006-00768-63">
<launcher_icon width="40" height="40" />
</device>
<device id="round_watch" part_number="006-00768-63" name="Round Watch">
<launcher_icon width="40" height="40" />
</device>
<device id="vivoactive_sim" part_number="006-B1907-00">
<launcher_icon width="61" height="43" />
</device>
<device id="vivoactive" part_number="006-B1907-00" name="vívoactive">
<launcher_icon width="61" height="43" />
</device>
<device id="fenix3_sim" part_number="006-B2050-00">
<launcher_icon width="40" height="40" />
</device>
<device id="fenix3" part_number="006-B2050-00" name="f─ônixΓäó 3">
<launcher_icon width="40" height="40" />
</device>
<device id="fr920xt_sim" part_number="006-B1765-00">
<launcher_icon width="65" height="65" />
</device>
<device id="fr920xt" part_number="006-B1765-00" name="Forerunner® 920XT">
<launcher_icon width="65" height="65" />
</device>
<device id="epix_sim" part_number="006-B1988-00">
<launcher_icon width="61" height="43" />
</device>
<device id="epix" part_number="006-B1988-00" name="epix®">
<launcher_icon width="61" height="43" />
</device>
</devices>