You can download and install the Petro buyer app on Android devices with operating system 4.0.3 and newer. Head to the Google Play store and follow these steps:
1. Tap the Google Play icon.
2. Tap the search bar, type “Petro Buyer”, then tap Search.
3. Select the “Petro Buyer” icon and tap INSTALL.

4. After app installation is complete, tap OPEN.
5. In the “Petro Buyer” app, tap "Login" if you have an account, or tap "Sign Up" to create one.