Re: Puzzle no. 3
The RIM OS restricts access to just about everything. Phone, email, SMS, Internet, PIM data, user info, etc.
Even a stupid game needs to have acccess to the phone, (for example) so that the game can be suspended when a call is incoming.
Now, I'm not saying there aren't apps out there claiming permisisons they don't need, because I've seen "free" apps that farm your contacts and track your GPS position. But I'm guessing that the access is legitimate most of the time. It's really up to you to decide.