This is a game that guesses the number that you kept in your mind. The game says the number and if it's higher or lower than your number, you click the related button. If it equals to your number you click the win button and game over.
Create a 2D game project in Unity. Download those files and import into your game.
If you don't have Unity, just download.
You can play the game in sample scene in Unity or if you have an android mobile phone you can just download the game with this link.