Sony are closing down the PlayStation Now service on PlayStation 3, PlayStation Vita and PlayStation TV, all Sony Bravia TV models, all Sony Blu-ray player models, and all Samsung TV models, meaning the service will only be available on PS4 and PC.
“After thoughtful consideration, we decided to shift our focus and resources to PS4 and Windows PC to further develop and improve the user experience on these two devices. This move puts us in the best position to grow the service even further,” reads a blog post.
Whilst I can understand shutting the service down on TVs and Blu-ray players, removing it from Vita and PS3 seems a little odd, although both consoles are well past their prime now. The affected devices will lose the service on 15th August 2017.
Source: PS Blog