Aria

Aria is a system app built into Amazon's backend that allows Fire Stick devices to function properly. In this sense, this tool doesn't require user access to work correctly.

Many users have found Aria installed on their Fire Stick or Echo device. This is normal, as Amazon continues to work on offering a better user experience across its range of devices equipped with the Fire OS operating system.

Something to note is that if Aria appears on your device's desktop, you can hide the app so it doesn't bother you. This can be achieved by accessing the settings and disabling notifications from this system tool.

Aria is a tool built into devices using Amazon's operating system, Fire OS, which aims to ensure the proper functioning of various processes.