Asobi is described as 'Remote play your PS4 and PS5 — or play PS3, PS4, and PS5 games via PlayStation Cloud Streaming — to your iPhone, iPad, Mac, Apple TV, Vision Pro, and Android. Low latency, high fidelity, full controller support' and is an app. There are three alternatives to Asobi for a variety of platforms, including Mac, Windows, Linux, Android and Flathub apps. The best Asobi alternative is Chiaki, which is both free and Open Source. Other great apps like Asobi are PS4 Remote Play and chiaki-ng.
Chiaki is a Free and Open Source Software Client for PlayStation 4 Remote Play for Linux, FreeBSD, OpenBSD, Android, macOS, Windows and potentially even more platforms.
Use the PS4 Remote Play application to control your PlayStation®4 system from your computer.
An open source PlayStation remote play project serving as the next-generation of Chiaki with improvements and ongoing support now that the original Chiaki project is in maintenance mode only.
Japan