A free game for Android, by TLA Quiz n Button

This free, addictive brain game for Android will put your skills to the test with its challenging puzzles and mental exercises. Every puzzle in the game has choices. 

Engaging puzzles that challenge you can improve cognitive performance. Good problem-solving skills are necessary in life, and playing brain games can help you develop these critical abilities. A brainteaser or conundrum pushes the mind to come up with fresh answers to issues, sharpening critical thinking abilities. Kids can benefit from brain teasers because they improve their ability to think critically and solve problems, promote lateral thinking, and open their eyes to new possibilities.