It's very simple - you have to juggle either 2, 3 or 4 balls. If a ball touches the ground or leaves the stage you've lost. You get one point each time a ball passes another ball. It's pretty difficult, so don't be too hard on yourself! Good luck and have fun!
Jagdos designed the app that falls into the Casual Games category. Just Juggle has been downloaded and installed by over 1K users and its most recent update is dated Dec 26, 2014. The overall score for the game is 3.8 on Google Play.
There are adverts in this application. Get the latest installation package of Just Juggle 1.1 free of charge and check out users' reviews on Droid Informer. The app is designed for Android 2.3 and above. It's safe to download the app.