Why does my iPhone skip through music?

Since I backed it up accidentally, the music won't play, I just click a song and it skips through the entire phones playlist until no songs remain, I can't listen to anything!

What app was used to edit this picture?

I have an iPhone 5 and I wanna know what app was used to edit this picture and make the lines in the picture! Help help help I've looked endlessly and can't find it

http://m.pinterest.com/pin/550002173213686982/

Is there an app (iPhone) for this?

I need an app that will let me download music, so I don't need to sync them from the laptop. Also, so that the music can be listen to without internet, because I have a long road trip tomorrow, thanks.

Deleting an app on IPhone, shows up again?

I'll delete an app on my iPod touch ( newest version ) and it'll re appear the next day sometimes and I just delete it again but its weird and has never happeneded before, my iPod is not jailbroken.
Why is this happening?

Where can I buy an iPhone 5 case?

I'm trying to get an otter box case the iPhone 5 defender case the one where you can see the apple logo in the back here's the link to it: http://m.otterbox.com/iPhone-5-Commuter-Series/apl4-new-iphone-5, default, pd.html? Dwvar_apl4-new-iphone-5_color=20&start=1&q=iphone-5-commuter%20%27%29%24 if anyone knows where I can get buy this case

What does no contract mean on iPhone?

Ok so in September the iPhone 5S is suppose to be announced and i want to get it as a new phone, I've been living off of a prepaid phone so far and that's basically having to buy minutes every once in a while but with the new iPhone 5S coming i want to take advantage of it and get it now, i know T-Mobile and Sprint are the only company's that offer unlimited Data (Cuz i use it allot) but T-Mobile says they have the No Contract iPhone, i know that means i have to pay full price for it but what else can i do with a No Contract iPhone?

What's the best mobile network to be on in the UK?

I've got a Blackberry at the moment and I'm paying £15 a month for 500 texts, unlimited internet and BBM. (Not on contract)
But I'm thinking of getting an iPhone 5 soon on contract for a year maybe?
Anyone know what the best network would be?
I'm not bothered so much about call time, but I text a lot and always use the internet.