Free Tetris clone version with ads that is designed to take up most of the screen (is portrait) and is also designed to use touchscreen gestures. Other Tetris clones tend to be in landscape mode and therefore only use quarter of the screen.

To move a piece left and right and down flight left right and down. To spin piece fling upwards.

If you have a DPAD you can also move left and right and down to move piece. Also move up to spin.

To play the ad free version check out:
https://play.google.com/store/apps/details?id=com.skinhat.tetrafull