A free app for Android, by Markus Käppeler.

Jurubu is a game where you build your own levels and share them with your friends. It is a very fun platform game that can be played on mobile devices. You can build levels with blocks, weapons, and much more. You can use the blocks to build walls and floors, the weapons to fight enemies, and the much more to build your world.

Jurubu has a very simple and easy-to-use level editor. It has a lot of different tools that let you create your level quickly and easily. You can use the different brushes to draw the blocks, weapons, and other elements.