Is it better to play iPhone games off the battery or wall charger?

I have an iPhone 4s. And I'm really paranoid about the battery. Is it "healthier" to play off a wall charger (or backup battery)?

I really don't want the battery to become crappy.

Why did they make the iphone 4?

Why did they make the iphone 4?

What's up with this hologram stuff on the iPhone 5?

According to this video I see a whole bunch of holographic stuff available for the iPhone:

What's up with this? There's no way that if this existed it could be sold for under $10, 000, is this legitimate information?

When will the iPhone 4S price drop?

I know it will be with the 5's, but in the past, have the prices dropped on the day they make the announcement for the new iphone or is it more around the time that the newer iPhone is actually released?

Do i have to activate my new sim card?

I just got back from the at&t store after getting my micro sim card for my iphone and i'm trying to activate it and it says only compatibla SIM cards from a supported carrier… But its unlocked. Do i have to activate my sim card online or something?

Can i play my music from my iphone in my car?

I can't do the"AUX IN' cables… But is there anything i can by that will plug into the place where i charge my phone that would play my music through my car speakers?

How to delete albums on iPhone 4s?

Hi can someone please help. Basically a couple of days ago I went to my friends house to do something on iTunes an little did I know that his albums had synced to my photo library. Please tell me how I can delete them as I can't do it on the phone and the albums also aren't showing up on iTunes.

How to find an iPhone that s already lost?

While coming home from the bus today, I realized that my iPhone was missing from my backpack and cried out in despair… My iPhone(4S) doesn't have any find my iPhone apps installed into it, nor does it have iCloud on it. It has iCloud, but I haven't set it up yet. Can someone please explain the concept of finding a phone through iCloud for me? I don't get it. I think it was stolen from my backpack during PE, but I'm not sure. There's a good chance that my phone was turned off. Help me please! Thank you!

Added (1). @Shabana Do you think if i buy a warranty right now, they will get me a new one?

How to get textplus on my iphone?

I have an i phone that doesn't get any service anymore i have the internet so i can get on the app store but i don't no how to download it please help we need it for texting please help!

Can an Iphone with bad ESN be activated?

I'm looking at buying an iphone 4 or 4s from ebay, a lot of them on verizon say bad ESN. Does anyone know if it would work if I was to buy it, get it unlocked and change it to a New Zealand network? Iphone's here are stupidly expensive.