Pokemon Stadium 2 - Can't move :S

[Mupen64 Man]

Okay, I will provide pictures, wait for an edit of this post.

Okay, this is the D-Pad. Click the little white buttons that are on the right, and then press the key you would like it to be.
Once you have set them, you will be able navigate the main menu.

[TheDidda]

GUYS, i need help! I am using the mupen android app and i am trying to play ''Quack attack goin quackers''. I can launch the game with a lot of effort but when i get to the menu nothing works but the ''a'' and ''b'' key. I can't change language or anything! How do i make the controlls work in the menu? please help.