One of Android's best features is the ability to download and install apps via apk, outside of Google Play.
This means that if you can't find the app you want on the Google Play Store or install an app that for whatever reason has failed Google's review process, you can always download the APK directly from the developer's website or other websites that maintains repositories outside the official Google store.
All indications are that Google will be doing this soon, the folks at 9to5Google decompiled the latest version of the APK from the Play Store and found evidence that Google's Advanced Protection Program could soon prevent users from installing apps "by out" of the official store.
But calm down, open system, a thousand possibilities and, one of them is, based on what was found in the APK code, it indicates that this will be an optional feature, you will have to agree, to prevent the installation of applications and games through websites and downloads from third parties.
Here comes the question, but why then create such a block? Well, it's simple, apps coming from just one place, brings us more security and also prevents someone from installing an app in an unwanted way by the device's owner.
This means that if you still want to continue using apps and games downloaded from other unofficial sites, you can do so. Just don't activate the service.
Anyway, it's worth noting that this feature is subject to change, as it hasn't been released yet, so maybe the final version may be different from the application decompiled by the folks at 9to5Google.
