A dear friend asked you to evaluate an app he developed, but when trying to install it, a problem arose: Android's protection system, Google Play Protect, prevents you from proceeding, presumably due to a privacy issue.
After thoroughly analyzing all the mobile phone offers available on the market, you decided to switch carriers and activate a beneficial promotion that includes calls, SMS, and data.
There are several ways to install applications on Android: the simplest — and safest — method is to open the Google Play Store (or pre-installed alternative stores) and search for apps there. Finally, one can resort to manually installing APK files and their variants, which are the packages containing all the application's files.