As u well know (if u play MCPE) that there is a new update! 0.13.0 hads:
Redstone circits
Redstone
Levers
Buttons
MORE DOORS!
iron trap door
pressure plates
desert temples
Rabbits
Biome settlers pack
daylight sensers
tripwire hooks


There u go! Enjoy! :D Also, there are NOT any pistons yet. Hopefully they come out with those soon. Btw if u have anything that U would like in minecraft, put it in the comments and i will do a post: (number) things that need added to minecraft (PE) Bye bye!