“Fergus Ferry HD” is developed by Snowball Press. It is normally $89.99 but it is free for a limited time. It is compatible with the iPhone 3GS, iPhone 4, iPhone 4S, iPhone 5, iPhone 5c, iPhone 5s, iPad, iPod touch (3rd generation), iPod touch (4th generation), and iPod touch (5th generation) and requires iOS 4.0 or later.
iPhone/iPod Link: Fergus Ferry HD – Snowball Press
iPad Link: Fergus Ferry HD – Snowball Press