This is a very simple app that will take a shared file from another app, save it to the "Download" folder in your phone's storage and then open it. There is also the option to send via Bluetooth instead.
Download the setup package of Save and Open / Bluetooth 2.0 at no cost and check out users' reviews on Droid Informer. The app works flawlessly on Android 4.0 and above. This application is completely safe to download. Amapps is the developer of the tool which can be found in the Productivity category.
The developer released a new version of Save and Open / Bluetooth on Feb 24, 2019 and over 1K users downloaded and set up the app. The average user rating of this application is 4.6.