IMPORTANT: This mod requires Minecraft: Pocket Edition. You can download it from the Play store.
Toolbox is a launcher/modification for Minecraft: PE (MCPE) that allows you to give yourself items (just like in the popular Too Many Items modification), potion effects, change gamemode, set health,... http://www.apkformod.com/toolbox-for-minecraft-pe-apk-mod-v3-1-1/