Fix: correctly detect android platform. Many devices set navigator.platform to "Linux armv7l", so that they end up having class os-linux instead of os-android.
Fix: correctly detect android platform.
Many devices set navigator.platform to "Linux armv7l", so that they
end up having class os-linux instead of os-android.

Treesaver/treesaver,Treesaver/treesaver,Treesaver/treesaver