If you are referring to a "paper" aesthetic or a specific app, you might be thinking of or themes on the Play Store that mimic a paper look. However, this is rarely associated with the term "ISO."

: Unlike Windows, Android ISOs may not include drivers for every Wi-Fi card, Bluetooth adapter, or specialized GPU.

It sounds like you’re looking for a guide related to (installing Android on a PC/laptop via an ISO file) or perhaps comparing Android vs. iOS .