A free app for Android, by appgo.

Jigsaw puzzles for free is a game that lets you have fun and relax at the same time. It’s also an ideal way to train your brain and improve your cognitive abilities. With Jigsaw Puzzles Free, you’ll never run out of free puzzles! You can choose from over 100,000 beautiful HD pictures to put together. Plus, the daily updated gallery will keep you in check!

It’s also great for those who need to relax and forget about their troubles. With this app, you can choose from a variety of difficulty levels. From 4 to 400 puzzle pieces, you can adjust the difficulty level as you want. You can also rotate the puzzle pieces and make the game more tricky.