It's not hard for apps to commit toll fraud - all it takes is sending SMS or phone calls programmatically. Here's the Google Play page on billing fraud: https:/

It's not hard for apps to commit toll fraud - all it takes is sending SMS or phone calls programmatically. Here's the Google Play page on billing fraud: https://developers.google.com/android/play-protect/phacategories#billing-fraud https://developers.google.com/android/play-protect/phacatego... , and a writeup about malware used for WAP billing fraud: https://www.humansecurity.com/learn/blog/satori-perpectives-tracking-the-ongoing-evolution-of-harly-trojan-android-fraud/ https://www.humansecurity.com/learn/blog/satori-perpectives-... .