A free program for Android, by Paradyme Games.

Room Smash is a fantastic application to help you loosen up. This app is a fun sandbox physics simulator that gives you access to a variety of rooms and weapons that you can use to cause destruction. The game has no set rules; all you have to do is use weapons that are readily available to cause destruction to everything inside the rooms. You will undoubtedly find each of the rooms to be very interesting because they each have a different kind of theme. Play this application continuously, carelessly, and without regard to any rules. Download now on Google Play Store for free.