A free program for Android, by Fun Apps and Games by SCHACH.
This app offers free jigsaw puzzles with pictures of animals. You can choose from the following animals: lion, tiger, elephant, bear, rhino, and many others. There are different levels of difficulty. The most difficult level is the one with the most pieces. It is suitable for adults and kids. The kids will enjoy it, and it will keep them entertained for a long time.
The app is easy to use. All you have to do is to combine the pieces into a whole. If you are having difficulty, you can use the hints. They will help you to find the right place.