I've just thrown myself into the iOS Ecosystem, thanks Newegg.

Earlier today, I actually impulsively bought the new 32GB iPod Touch. I bought the Silver/White because I thought it looked amazing. The funny thing, I was originally going to buy the Nexus 4 but I wasn't really impressed with the camera. I don't regret my purchase at all, however this is my first iOS device. I'm assuming I won't get my iPod until Monday. Anyway. I was wondering if you guys could show a noob around? What are your most need applications and do you recommend jailbreaking? So far I plan on download the following: Snapseed, Spotify, Netflix. enter fitness application here. Also, do I need iTunes at all?