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Историческую версию App Manager можно получить на Android
A powerful application manager.
What can App Manager do?
―App Manager can share your applications with Bluetooth.
―App Manager can backup your applications. (You can rename backup folder.)
―App Manager can install your APKs.
Highlights
―Backup applications to your device.
―Share applications to other devices.
―Browse local APKs and install them.
―Browse user and system applications and uninstall them.
―Access the Google Play Store page of applications.