You start in menu. You can select another item on the page by using up and down. When the last item on the page is selected you can cycle between game pages. Currently there is only one page so this feature is unused. When on a game item you can use right key to play the game.

When you enter the game you get into the start screen where you need to press the down button to start or up to exit. After loosing a game you need to press the up key to go in the start screen.

For Tetris the in-game controls are up for rotating the piece, down for speeding up the fall of the piece, left and right move the piece left and right.

The left key is the one nearest to the cable that connects it to the console.