I have a Paypal account and could easily pay for items and boosters, but I choose not to. It's a completely free game, and you can make money creatively anyway, so spending real money on it is a complete waste.
[19:39] <Birdflu> I'm just sad that I can't give myself one
[19:39] <Birdflu> I'd have a great time
Yup, I have access to it, but I don't want to support Nabi because I'm a selfish prick.
Seriously, items don't give you an advantage anyways, other than aesthetically.