kunabi brother GmbH has Blek (iTunes Link) for the iPhone, iPod Touch, iPad in the iTunes App Store for FREE (regularly $2.99) for a limited time.

Blek is a unique game about imagination and personality. Everything you draw keeps moving – and watching your creations move is like watching magic.

The goal is simple: shape a line that collects all colored circles avoiding black holes on its route. There are no specific moves that you need to master. To every level countless solutions exist, from delightfully simple to exceptionally deep and complex, yet always elegant.