: The PS3 lacked the dedicated video encoding chip found in the PS4 and PS5, which is why Remote Play was mostly limited to the PSP and PS Vita handhelds. Compatibility Issues
There is no official PS3 Remote Play app for Android released by Sony. Sony’s official Remote Play app only supports the PS4 and PS5. ps3 remote play android apk link
The most secure way to use Remote Play is through the official Sony application. While it does not natively support the PS3, it is the standard for modern PlayStation streaming. : PS Remote Play on Google Play : The PS3 lacked the dedicated video encoding