Usar la aplicación APKPure
Obtener Save my Attach versión histórica en Android
Haz compras en la versión web de Google Play. Disfruta al instante de tus compras en tu teléfono o tablet Android sin cables ni sincronizaciones.
Save the GMail attachments to the SD-card. Tap on "Preview" button in the GMail and select "Save ..." from the list.
Works with Email app also (use "Open").
Please note: this app doesn't have a launch icon! You could open it only from your GMail app by tapping a "Preview" button