Scan16M is an app for the diagnostic/datalog of ECU Marelli M15-15RC and M16. They equip Italian motorcycles from 1997-2000 models: ST2/4, SSie, 916/996 depending on the year. I can't test on P8 failing test vehicle. Scan16M allows you to connect to read sensors and defects, erase them and start Active diags.
This download is completely secure. Scantwin has created the app that falls into the Tools category. The most recent release was on Nov 13, 2019 and ScanM16 USB was downloaded and set up by over 5K users.
Google Play shows that this application is rated 3.6 by its users. It's free to get the installer of ScanM16 USB, also, you can take a look at users' reviews on Droid Informer. The app runs on Android 1.6 and higher.