Paya is currently maintaining the branded version of Mobile Payments, which was previously taken down from the Google Playstore. Users of the original RoamData/Worldline Edition, also known as Sage Mobile Payments, can now utilize the latest RoamPay X5 Build Edition as a replacement application.
If there's a need to reinstall on a supported Android OS device, users can refer to the link below for more information and to download via mobile.