Tubularix

Tubularix is a classical falling blocks game seen from a tubular perspective. Different types of blocks fall from top to bottom of a cylinder seen from above and the objective is to arrange the pieces to fulfill lines (rings) in order to delete them.
Controls:
You can control the game with the buttons shown on the screen or directly touching the falling piece and grabbing it, simply touching it to rotate or double tapping on the center of the cylinder to drop the piece down.
Game modes:
Two game modes are available: normal and reversed.