A free program for Android, by Bravestars Global Publishing.
Classic Number Puzzle: Jigsaw is a free puzzle game for Android devices. It is one of the best free number games available on Google Play.
You can play it as a single-player game, but it is also compatible with multiplayer modes. You can play it on a single device or on multiple devices. It has a simple interface and easy gameplay, so it is very user-friendly.
You can choose between different difficulties, from the easiest to the most difficult. Each difficulty has its own set of levels, so you will have to play through all of them to get to the next level.
It is a source of motivation and inspiration for the players.