Turn your raspberry Pi into a NAS or also known as a Samba server. This will allow you to share files and folders across a local network! http://pimylifeup.com/raspberry-pi-nas/
Install And Configure Samba Server + MiniDLNA (OpenWrt) | Abe Wisnu
Abe Wisnu Blog
Image 1: The ES File Manager App on Android will connect to your Samba server.
In this video I cover the step by step process of creating a Samba server in Linux Mint, Ubuntu or Debian to browse and share files across multiple devices ...
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