Usar la aplicación APKPure
Obtener Swiss Language Pack versión histórica en Android
Soporte de idiomas Suiza para AnySoftKeyboard
AnySoftKeyboard keyboards pack:
Swiss-French keyboard layout.
For French dictionary also install the "French language pack".
This is an expansion layouts pack for AnySoftKeyboard.
Install AnySoftKeyboard first, and then select the desired layout from AnySoftKeyboard's Settings->Keyboards menu.