With Flash Share you easily send files between two devices, regardless of the OS they run. That means your files send from your Android to an iPhone, iPad, and even onto a Windows PC. Otherwise, create groups of users so you can transfer any file to several people at once.

Share anything from more usual file formats (photos, videos, MP3s) onto less common file formats like address books, APKs, or any other file type stored on your smartphone.

Flash Share is an app for speedy transfers between all kinds of devices. The only thing is: you have to install this app on both ends. Meaning, both the receiving and sending smartphone or tablet must have Flash Share running in order for transfers to complete.

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Source: https://play.google.com/store/apps/details?id=com.flash.share.app.app