GPGPU in PhotoShop is mostly for applying filters.
In Premiere it also does filtering/post-processing and I think it can also be used to accelerate encoding/decoding.
But those are just specific workloads, the rest is running on the CPU.
As I say, I don't see that running on a mobile device... User interface and display would be inadequate, and no matter how much you accelerate it, a desktop system will always be lots faster and easier to use.
In Premiere it also does filtering/post-processing and I think it can also be used to accelerate encoding/decoding.
But those are just specific workloads, the rest is running on the CPU.
As I say, I don't see that running on a mobile device... User interface and display would be inadequate, and no matter how much you accelerate it, a desktop system will always be lots faster and easier to use.