I have the same problem as GaryJohnSr. Google play does not show my purchased apps as payed. I am on SGS2 with clean install. Tried clearing play cache. No luck
Edit: Solved by clearing Play data :)
I also prefer the samsung base. I like many of the samsung apps better, and also I don't get the hype regarding aosp. I find it a lot more buggy than ppl say. Maby if someone prorts the samsung apps... but not avalible atm. Cheers