Super Chair Sitter 2000 Mod was created by ironhead65. With this mod you can sit on stairs in MCPE.
Super Chair Sitter 2000 Mod for MCPE 0.12.1/0.11.1Minecraft Pocket Edition (MCPE) Mods [September 24, 2015 at 10:26 AM]
Tap on the stairs to sit on it. Then tap the jump button to stand up.
– Oak Wood Stairs (53).