1) Click "More details"
This is expected for new apps not yet on Play Store.
M-SHOP
M‑SHOP
Android · APK (v1.0)
Size: 29.21 MB
If the browser asks for permission to keep the file, choose Keep / Download anyway.
Play Protect installation (How to proceed)
2) Continue install
Tap Install without scanning to proceed. Then open the app.
Starting download…