Use APKPure App
Get Screen preview - SignMate Prev old version APK for Android
Preview a digital signage display using this app scan campaign's qrcode
If you are using SignMate (Digital Signage Software: https://www.signmate.co), when you are designing how your screen display. You may want to see how does screen is really display. So this application comes to help you to preview your digital signage screen before you go live.
Just scan campaign's QRCode that you have designed, after that, it'll display that screen to you. (Recommend for SmartPhone)