Google Implements Developer Verification to Restrict Android App Sideloading

Google implements stronger Android sideloading protections through cryptographic validation and mandatory developer ID registration for global security

The timeline for implementing the stronger protections that make sideloading apps on Android apps much trickier is laid out, and according to Google, the moves are primarily driven by a desire to crackdown on digital fraud and the distribution of malicious malware. Essentially, app distribution will be cryptographic validation. It is to check if any software outside Google’s curated app store.