A free app for Android, by ONESOFT.

If you like logic puzzles or simply want to spend some time with your brain, you’ll love Puzzle All in One. This app has many different types of puzzles for you to try. Some are simple and will give you an immediate and obvious solution, others are a little more challenging and will test your brain a little more. All of them are very addictive, so you won’t be able to put your phone down. You’ll constantly need to think and solve puzzles, even when you’re offline.

You’ll be able to play Connect, Hexa Blocks, and a lot of other logic puzzles. Connect is a simple game involving connecting dots with same color. When you draw the lines, please make sure the lines don’t cross over each other.