Polar Bears and More animals!
Pocket Creatures is one of the largest and complex mods of Minecraft Pocket Edition, adding more than 50 animals of every size and color. You can ride ostriches, zebras and elephants, craft aquariums and collect fishes, tame lions and tigers!
Mod was made by: Gonza
(Import texture pack first back out of block launcher, reopen the app then import the script if you don't do that it won't work)
Download mod here: Read above first ^