Dr. Droid is inspired by classic "falling block" games like Dr. Mario and Tetris. Kill viruses by placing colored pills in rows or columns of 4+. Top players are immortalized in the world wide HighScores list.04/29/2014: Note that this may be the last update to this game. Dr. Droid was created as a learning exercise many years ago on the original Android phone, the HTC G1. I am humbled that so many ofyou still continue to play despite the amateurish graphics even as big game studios provide you with many options.