I use one called "camera awesome" by smugmug it's a apt pretty full-featured although it has a lot of top of purchased stuff available like added filters and things. My favorite feature is that it takes and makes a giant button of your screen so when you're shooting something out of the rear facing camera you just have to touch the screen itself and it works as a giant shutter.
This is really handy when you're taking a photograph of yourself and can't quite see you in the picture. Making use of the higher resolution cameras always a great idea. The iPhone five has a five megapixel rear camera which I found to be quite incredible.
I use that when I can for facetime for better quality shots. It's hard for the iPod to equal a lot of images that you see on Tapatalk or in the form used with some smart phones, the megapixels just aren't there but I think you'll like this app a lot.
And with Tracy I gave her my iPod which works out really well, I wiped it clean and created a fresh account for her now to get to play all the games and I enjoy together with her.
She is thinking of getting the iPhone but I thought I'd give her something to practice to see how she like the interface with the iPhone, I haven't had a chance to play with any droid units yet although I've seen a few stores – but a friend of mine Bob has switched from the iPhone to the android after giving his iPhone to his daughter and he says he likes it, he likes the flexibility especially with widgets.
So give camera awesome I try I think you'll really like it and may even buy a few of the filter features but as for general use their touching the screen to pick new areas of focus and change brightness it's very responsive and I think it does a decent job at copying the image clearly as the other 20+ photo apps I use.
I'll gladly send you a list in mod forming of all the other apps if you wish that I've tried, out some are a little quirky some of the filters are extremely cool while others are just lame but with more than one camera option inside your portfolio (Literally I have two folders of 12 camera apps that I can go to any time for particular reasons) there you can really make an image do what you want especially after you've taken it and it send the camera roll.
That's one really good point too, don't give up on a photograph if it's focused - then there's a good chance in postproduction most of these apps can save the image especially if you did not have a chance to take a second one that was better.
All of this is dictated from the armchair of Beemaster, My favorite feature on iPhone 5, take care.