Fix #696

Fix #697

And show "Save playslit" in video player
Fix #702

Fix #698

Probably fetch by reflection, caused release build to crash at startup

This will setup gradle and its config without any further work

Gradle applies changes per variant, which causes every build to have the
same value "x86_64"

Fix #404

Fix #690

Should avoid ConcurrentModificationException

Prevents ConcurrentModificationException