> The main point here is that you are on the same level of Google: if you want you can use those private APIs, but be ready to do a lot of work to keep your application working fine.
Which is swell if you're an application developer. But for the end users it means that apps may suddenly stop working if they upgrade the OS.
I've had apps stop working after upgrades on every device I have ever used.
It's important that the developer keep up with an evolving API and if they plan to use experimental features that aren't locked in yet, they should make note and be prepared for if/when it's taken out or changed.
Unfortunately, no matter what device you use, there will be developers who fail to maintain their apps.
Which is swell if you're an application developer. But for the end users it means that apps may suddenly stop working if they upgrade the OS.