[Mobile] Can I use a gamepad or controller?

[Mobile] There's no game sound

[Mobile] Sound plays even in silent mode

[Mobile] I don't want to receive push notifications

[Mobile] The game drains my phone battery too quickly

[PC] How do I switch from fullscreen to windowed mode?

[PC] How do I set up keyboard shortcuts?

[PC] Can I adjust the camera angle?

How do I redeem coupon codes?