A free app for Android, by Next edu.

With this bundle, you’ll get 6 amazing puzzle games for free! You can try out the new games and get a better idea of how they work. In addition, you’ll get all the games in one convenient package, so it’s easy to start playing right away.

Here, you can play Schulte Grid. In this game, you need to find all the numbers in order as quickly as possible, starting from 1. The challenge is to solve as many puzzles as you can in the shortest amount of time. You’ll be given a grid with some of the numbers already in place. Your goal is to fill in the remaining numbers so that each row, column, and block is filled with unique numbers. If you complete the puzzle, you’ll get points and you can keep playing.

You can also play Soduko. Here, your goal is to fill in a grid with numbers from 1 to 9 so that each number appears only once in each of the rows, columns, and blocks.