What is an iPhone air jacket case?

Hi, I just bought an Air Jacket case for my iPhone 4s. After opening it, I realised that it feels just like a hard case, maybe slightly softer. I'm wondering, what's a Air Jacket Case and what's the difference between the Air Jacket Case and a normal hard case?

Why does my pictures look alot different on my iphone than on my computer?

When I take a photo of myself it looks a lot better on my iphone than on my computer. Why is this? I think it has something to do with the brightness on my iphone and computer but I don't know. How do I fix this problem?

Added (1). And my photo looks different on different computers. Like when I use my computer my photo will look completely different from when I use someone elses computer

Added (2). Its definitely the brightness but how do I fix the problem

Which Iphone is the best to get?

I was wondering which iphone is the best one to get, suiting me.
I don't want the Iphone 5 i'm only really looking at the differences and price range of the Iphone 4 and the Iphone 4s?

I know that one difference is Suri? Is it any good and what is the price difference from these two?
I would please like a list of details and comparisons? And personal experience would be appreciated.

AND what shop to get it from and which is the cheapest?

Can't decide on which case I want to buy

Which case stands out more with my black iphone 5? Best answer 10 points! &

1.http://www.amazon.com/gp/aw/d/B009HJUQ7M/

2.http://www.amazon.com/gp/aw/d/B009GSB1KU/

3.http://www.amazon.com/gp/aw/d/B009BLSUS8/

Should I learn objective-c or python?

I'm just getting into computer programming. I have a macbook pro for my main computer and I was wanting to be able to make an A. I. (for an end project) but I'm not sure if I wanna use objective-c or python. I already know a little bit of python. But not enough to make it. I would like to to be ran on both windows and mac. But I also want to make an iphone app with it.