Merge same icon and color tiles to evolve your eggs to the next level. The key to make built-up tiles is to merge several tiles all at once, which will get you a wildcard tile that can merge any color tiles. But, when the board becomes full, it's game-over, so you should be careful not to be too greedy. This game has very simple rules, and there is no time limit.
Take the opportunity to get the installer of PiyoPiyo 1.3 free of charge and read users' reviews on Droid Informer. The app is built for Android 4.4 and higher. The download of this application doesn't contain viruses or any kind of malware. Flow Inc. is the developer of the game which can be found in the Puzzle Games category.