We are still searching for game pictures and screenshots for Groundskeeper 2 (Android). We do not have any cheats, codes, or hints yet.

Don't get stuck in a corner, for you'll die pretty quickly.
Keep blowing up the crates - you might not need the health, but it gives you a better line of fire.
You don't have to jump on the portal straight away. Mop up what's left to get a head start on the next level.