Number 7 is a free puzzle game available for Android devices that both adults and kids can enjoy. The game is easy to learn but hard to master, making it a great way to train your brain. The objective of the game is to collect as many points as possible by combining three same blocks.

The game features dynamic gameplay that keeps you engaged and interested throughout. Special functions are available to destroy the blocks, and the game has a high score system to challenge your friends and family. The auto-save function ensures that your progress is protected, and the beautiful and simple UI makes playing a breeze. The game can be played anywhere on both mobile and tablet, and there are no in-app purchases required to download and play. However, the game does serve ads, which can be turned off by disabling your internet connection.

Overall, Number 7 is a new and interesting way to play a classic game, with nice music and good sound effects to accompany the gameplay. It's a free, fun, and addictive game that you can enjoy with your family and friends.