A free program for Android, by D2D Games.
If you're looking for the best free puzzle game, you should definitely check out Water Connect. It's a 3D game that will definitely keep you entertained.
The objective of the game is to connect four pipes to grow plants and flowers around you. You need to make sure that the water is flowing in the right direction.
You'll need to solve some logic puzzles to help you along the way.
If you're up to the challenge, you can unlock new levels, new puzzle mechanics, and new areas to explore!
If you're looking for a fun puzzle game to keep you entertained, Water Connect is definitely the right choice.