Rainbow Parkour is map designed to test your parkour skills in hard and extremely deadly way. You will need to overpass hundreds of dangerous jumps, before you can get to the finish. Map divided into few sectors, each of different colour - just like in the rainbow. It also has checkpoints at the end of each color, so you don't need to start over, every time you die.
How to install:
Download and unzip archive
Then go to the any File manager
And copy the map in to the "/storage/emulated/0/games/com.mojang/minecraftWorlds" folder.