This application can connect to various Kettler training devices over an USB to Serial adapter and record the heart rate, speed and power.
Tested on the following devices:
Samsung Galaxy S2 (Only with Siyahkernel from Gokhanmoral)
Samsung Galaxy S3
Samsung Galaxy Note
Asus Transformer Prime
Asus Transformer Infinity
Sony XPERIA T
Sony XPERIA Z3
Supports Bluetooth serial adapters. This currently doesn't work with newer Kettler devices with built-in Bluetooth, only for older devices using a Bluetooth to serial adapter. (Tested with Brainboxes adapter) The Bluetooth serial adapter has to be set to 9600 baud, 8 databits, 1 stop bit and no parity before using the app.