SuperImage VS photon

You can use Upscayl on pc and SuperImage on android to enhance your image so you don't have to find the hd version, both the applications uses you device's gpu to enhance your image.

Not sure about the last argument. I know about at least one offline image upscaler for Android, that is quite popular according to downloads on the Play Market: https://github.com/Lucchetto/SuperImage

Since you said upscale here is something : https://github.com/Lucchetto/SuperImage

Ou l'APK directement d'ici: https://github.com/lucchetto/superimage/releases/latest

https://github.com/Lucchetto/SuperImage available on playstore and fdroid

Important note for SuperImage:

SuperImage (version 1.2.1): Sharpen your low-resolution pictures with the power of AI upscaling

I tried photon and it works well. https://github.com/abhi16180/photon

consider using photon its the most fastest and easiest method I've found https://github.com/abhi16180/photon

there's also the windows version, one of the easiest wireless file transfer that just need to be in same network (either wifi or mobile hotspot, no need for data). PC -> Android, just scan the QR Code while Android -> PC usually has automatic device discovery.

Photon

I used apps like: LocalSend QRServ Photon LanXchange

The problem is there is data going from my devices to each other but how to be sure that data doesn't leave my network to the internet, For example iam using Photon for Windows and Android which supposed to work locally but how to be SURE?????

Photon (version 2006): cross-platform file-sharing

Thank you for work sir, waiting for fdroid release, can you add material you theme to your app ? It will look pleasant, just like Photon app

Photon -Cross-Platform-file-transfer