The safest way is through the Google Play Store . Be aware that downloading APKs from third-party websites may not be secure. It is a paid app, and you will need to purchase a license.
To understand the absence of a PS3 Remote Play application on modern smartphones, one must look at the architectural constraints of the PS3 itself. The console was powered by the infamous Cell Broadband Engine. While incredibly powerful for its time, the Cell processor was notoriously difficult to program for and lacked the dedicated hardware video encoders found in modern systems. Consequently, for a PS3 game to support Remote Play, the game developers had to sacrifice precious system resources (both CPU cycles and RAM) to handle real-time video compression and network transmission. Because resources were already stretched to their limits by the demanding games of that era, only a handful of titles—such as PixelJunk Monsters Shadow of the Colossus HD —ever officially supported the feature. ps3 remote play android apk link
Remote Play is a feature built into Sony consoles that transmits video and audio to another device, originally designed for the PSP and PS Vita. By 2016, support expanded to Android devices, but there's a crucial catch: while the system-level menu supports Remote Play well, the feature is . Many games don't support it at all, or the experience is limited. The safest way is through the Google Play Store
If you want to narrow down the best setup for your specific device, tell me: Is your PS3 or running Custom Firmware (CFW/HEN) ? Do you have a PC available to use as a streaming middleman? What Android version is your phone running? To understand the absence of a PS3 Remote
The official app is widely available but does not include PS3 support. : Google Play Store.