This application's message reads:
Error de seguridad.
Se ha detectado que Santander PASS no se instaló desde la tienda oficial de aplicaciones. Por favor, borra esta versión de Santander PASS y vuélvela a descargar desde Play Store
Translation:
Security error.
It has been detected that Santander PASS was not installed from the official app shop. Please delete this version of Santander PASS and download it again from the Play Store.