We have linked to them in this article where needed. If you are also an Apple user, you will find that many of them are still available in the Apple App Store. Android is an open-source software stack that includes the operating system, middleware, and built-in mobile applications based on https://applications-android-wind44210.pointblog.net/La-ltima-gu-a-a-android-applications-must-be-signed-56299135