Testers Needed for ParkBill

I need 8 more users to opt-in as a tester for my application. Please do so by doing the following steps:

Step 1. Join the Google group through this link: https://groups.google.com/u/2/g/parkbill-testers

Step 2. Apply to become a tester and download the app through this link: https://play.google.com/apps/testing/com.tristans.parkbill

Thanks a lot!