I participated in Million Makers in my first few months at BT. It is a scheme run by The Prince's Trust. It is a competition between companies to raise money for the Prince's Trust by running a mini-enterprise.
One of the approaches we took to generate revenue, was to develop this app. It was quickly made at Charity Hack 2012.
Download it now!Google Play or Try Online
Unfortunately, Mattel Inc. got in touch with a cease-and-decist for infringing on thier trademark Whac-a-mole so the app is no longer available.