This device should work with most Windows devices assuming they have an available USB port. If you're ASUS is a Windows 10 machine and has an open USB port, it should work, though you may need to update drivers at some point.
Not sure what an Auu computer us, but this works with a y PC that supports USB and is running either Windows XP, Windows Vista, Windows 7, or Windows 8
Yes, just insert the provided USB plug to one of the USB sockets in the back of your Samsung TV. Next, turn on TV internet then use the wireless mouse or keyboard to navigate and browse your internet pages.