Polygon

Polygon is a match-3 puzzle game where you draw tetromino on the empty space to match 4 or more blocks. Matching blocks will collapse and giving new space for next blocks. Number of block's color gradually increase and game over when not enough space to fill in new blocks.

A challenging puzzle game with a simple interface! It takes a short tutorial and a little getting used to but once you get the hang of it, it's pretty addicting! - bestappsmarket.com