because all of the good mobile pvpers play on that version more than 1.2 is played. (mostly Brazilians) It's kinda like the 1.7.10 of mcpe. They play it for two reasons - More working features, such as pots. PC can't play.
Some parents dont buy there kids Minecraft as its a waste of time. And an exuse to avoid studying. But buy them an iPad and internet for education purposes.
There is this thing called "prepaid credit card" also, you can tell you parents that you'll learn coding when you make plugins
try telling mine that.. How i got MCPE i had free version of MCPE for 3 years. I made some friends in MCPE. When mojang got licence my mcpe friwnd donate $10 so i can play