A free program for Android, by Motto.

In this free brain training puzzle game, the player will trace the numbers with their fingers and add them, make them 10, and erase them. There are 15,000 stages in total, and the rules are simple:

• Clear the stage by erasing all the numbers.
• If you get stuck on a problem, you can use hints to help you solve it.
• You can use the hints for the daily and weekly problems.

The game also includes: