Maracas Shake is a free lifestyle app developed by syo-app for Android devices. As the name suggests, it lets you shake your device or tap the screen to play the sound of maracas. It's a simple and fun way to add some rhythm to your day.

The app also allows you to customize your maracas by setting your own picture and sound. You can access these settings by clicking the "setting" button. However, if you want to go back to the default picture and sound, you can easily do so by clicking the "reset" button. Overall, Maracas Shake is a fun and customizable app that's perfect for anyone who loves music and wants to add some fun to their daily routine.