I can't play candy crush on my iPad I can play great on my iPhone

Bajabell

when I start to play I get kicked out and sent back to my Facebook app page 

KingsPinn

If you use the site search function you will see that there are already a lot of questions that are similar. 

You'll find some information here: https://care.king.com/en/candy-crush-saga/loading-crashing-issues-ios