Access the Driver app quick guide here.
For Android users visit the Google Play store and search Hailo Driver. From there you can download and install the app.
For iPhone (iOS) users visit https://new-install.hailocab.com/ and click Download.
Note for iPhone users: If you have a phone running iOS9 you may be asked to trust the Hailo app before you can open it. If so follow these steps:
1) Go to your phone's “Settings” and into “General”
2) Go to Profiles
3) Select Hailo
4) Select "Hailo Driver 2"
5) Tap Trust
Once done you can now open the app.