The cnlab Mobile Performance Benchmarking (MPB) System provides a similar service as the cnlab Performance Applet Benchmarking System (PAB) used by hundreds of testers per day. It collects upload, download data rate und response time results for connections to cnlab test servers. Testers get key performance parameters displayed on the device and on the web. Currently mobile users can run tests on their browsers and native applications available for mobile phones. Compatible with S^3 / Anna / Belle Smart Phones.