here you go
1. To get the internet, ned to get a SIM with activated internet (Blackberry package). If not you will end up paying a huge bill.
2. Find applications, you can just type the name of it. There are many folders and sometimes it is dificult to find the applcation. So you can just type "Calc" to find the calculator.
To conect it with the computer buy Blurts for MHL software which is quite handy.
3. Install google Maps for free which ois briliant to find locations and your location.
4. Vlingo -Install this to use voice command to Blackberry
5. Google Sync, Facebook and Twitter blackberry versions are also avilable for free.