

because their governmemts support this change.
I can see how Google’s PR team might use this argument, but it’s certainly illegal in Brazil so our government most definitely isn’t supporting this decision. Also, it needs to be way more specific than “government” - who exactly is endorsing this? Procon? Anatel? Polícia Federal?
Either way, the actual reason for targeting Brazil as one of the first is because we do love our piracy, which naturally translates into sideloading being frequent.
A “certified Android device” is a device running Google Play Services, Play Protect, Google’s WideVine DRM scheme and a few other requirements. If you purchase a device from a known manufacturer, like Samsung, you’re falling into this category.