Humble Bundle released their fourth Android bundle today. The original pay what you want bundle provides five games available for Android and PC. Those who pay more than the average price will receive an extra game. This bundle includes physics puzzler Crayon Physics Deluxe, RTS Eufloria, microbial puzzler Splice, side scrolling adventure Waking Mars, and highly acclaimed retro styled adventure game Superbrothers: Sword & Sworcery EP. Those who pay more than the average will also get a copy of point and click adventure game Machinarium.
All games come as a DRM free download for Android, Windows, Mac, and Linux, however you will need to pay more than $1.00 to receive a Steam key. All games come with their respective soundtracks as a bonus. Check out the bundle here.