From OpenStreetMap Wiki
Both iOS and Android clients support WiFi,, and dongles for connecting OBD2-compatible devices in cars. Please note that Bluetooth LE is not the same as Classic Bluetooth!
OBD2 devices list
|ScanTool||OBDLink LX||ScanTool.net (US)||Yes||No|
|Add your tested models|
Notes and references
- WiFi version only! While connected to a WiFi dongle, you will not have internet access on Android.
- To maintain internet connectivity, connect to the dongle using a static IP address / netmask / gateway rather than using DHCP