A free program for Android, by MD Players.
This is a simple and fun game that combines elements of strategy and puzzle games. It can be played with one hand and is easy to learn.
It has four modes that can be played with one hand:
Merge – The objective is to merge two blocks of the same number. If you can't move the blocks, you can tap them to move them.
Drag – Drag the blocks to move them.
Solve – The objective is to solve the puzzle.
Levels – The objective is to reach the highest score.
There are many challenges that can be unlocked by solving the puzzles.