1. use Activity instead of dialog to prompt more info.

2. optimize performance.

1. bug fixed

2. add jp translation (thx @SakuraSa233 and @KoukinaMurasaki(#Twitter)

1. change launcher icon

1. fix translate issue
2. improve stability on Android N (support direct boot mode)
3. add quick setting tile to switch on/off

support custom operator code and country from now.

1. improve the prompt to users #52
2. try to really support dual sim card devices #10
3. now you can clear the app's data to show the launcher again #36

thanks the help from @simonsmh and @dlhxr