Make minor update to ios app

Avg Bid (USD)
Project Budget (USD)
$30 - $250

Project Description:
I have an app running in the app store already, but I need to make a minor change to the app. The link to the app is below. I need to add an erase button when someone draws something and also automatically delete the drawing when moving to the next slide.

Download the app and you will understand. Should be easy work.

Skills required:
Cocoa, iPad, iPhone, Mobile Phone, Objective C
About the employer:
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