Battery app for iphone/ipad

I want a battery life app for the iphone identical to battery pro by Lema that is in the app store. The additions that I want added to that app is for the user to be able to add any image from the photo library to be the battery icon rather than default. I need you to bid on making the iphone version first with the ipad in mind for a later project. I need this done asap and please make sure you have experience and know what you are doing.