Along with the Helios biking system, app will turn your bike into a connected device. Connected to your Helios console through Bluetooth, the app can display riding information/commands you give to your console.It also allows you to understand the condition of your bike. App comes with a self-diagnostic feature notifying you about any abnormal activity with an exclamation mark in the bike view. The error code displayed will automatically be linked wirelessly to the SINBON library storing trouble shooting manuals.