IMPORTANT:

1- You need to be rooted;

2- You must use a compatible kernel/ROM.

Device supported:

- G Watch Urbane; ( http://forum.xda-developers.com/watch-urbane/orig-development/rom-ext4all-skin1980-t3341598 );

- Huawei watch; ( http://forum.xda-developers.com/huawei-watch/orig-development/kernel-skin1980s-huawei-watch-kernel-t3341905/post65994057);