Adobe stopped development and removed it from all official app stores to focus on its "Creative Cloud" task-based app strategy. Unsupported:
(Free, Browser-Based)
However, you can still run it on a PC by using an (like BlueStacks or LDPlayer). You would download the PS Touch APK from a third-party site and install it within the emulator. Note: Because the app is "abandonware," it no longer receives security updates. Best Modern Alternatives for PC photoshop touch pc download