Приложения разработчика Stampr в Android Market

Stampr (v. 2.0)

Stampr опубликовал приложение 2012-10-04
(обновлено 2012-10-04)

Stampr is an App which rewards loyal customers of local venues with gratuities. Just scan the codes at participating venues and collect stamps.
After you collected a certain amount, you will be rewarded your free gratuity.