Plugin:AOT v9.0 is an add-on app developed by RSUPPORT Co. Ltd. for AOT(TCL) mobiles. This free app is required to use Rsupport's mobile services, including the Mobizen service and RemoteCall Mobile Pack service. It is important to note that this app is not a standalone and can only run if you are using Rsupport's mobile services. Upon installation of this app, the add-on will be automatically installed if you are using the aforementioned services.

If you are looking to use the Mobizen or RemoteCall Mobile Pack service, Plugin:AOT v9.0 is a necessary download. However, if you are not using these services, there is no need to install this app. The app is easy to download and install, and it is specifically designed for AOT(TCL) mobiles.

Overall, Plugin:AOT v9.0 is a reliable and necessary add-on for anyone looking to use Rsupport's mobile services on their AOT(TCL) mobile.