Here comes the pro/premium version of FolderMount in APK for android phone.
FolderMount Premium
Today some apps store big files over the internal SD card (e.g. games, podcasts, offline RSS content, pictures, videos, offline navigation software). Typically users have a small internal sd card size (~16GB) while the external SD is a lot bigger (~32-64GB). Most of these apps users download from the Play Store save their application data in the internal sdcard by default and don’t have an option to use the external SD card to store data so they starve your internal SD card memory. FolderMount is the solution to this issue. This app has the ability to link folders in your internal sdcard to folders in your external sdcard thereby populating the internal sdcard folders with content that really exists in the external card. This helps us free space and have multiple games/apps with big data stored simultaneously without the need to uninstall. For Nexus devices with no external sdcard, this application should help link folders to a usb flash drive for example.
Key Features
Mount internal SD card folders to external SD folders.
Move content from internal to external when a pair is added. (Dialog prompt)
Support for Android 2.3 – 5.0.
Holo themed throughout and an intuitive GUI design.
It will check SDCARD mount status and remount if necessary.
Limitation of the free app
Only 3 mount pairs allowed
File Explorer does not list the sizes of the displayed folders
Some restrictions apply on the on the type/path of source folder
Purchase “pro” from within the app to unlock these limitations. Howto
Add a folder pair. Source is the internal sdcard and destination is your extSdCard
After adding, FM will offer to move the files for you. Click yes.
Wait until the move operation is done then click on the PIN. If PIN turns green, you’re all set.
The files will exist in both the source and destination after mounting. This is expected and is normal. The files you see in your internal sdcard actually reside in your external sdcard now and if you “unpin” the pair, you’ll see that your internal sdcard is empty again
What’s New in this version
Updated Malayalam and Vietnamese locales
Fix support for Samsung Lollipop devices (S5 for now)
Make on boot toast optional (change in settings menu)
How to install ?
Save the downloaded .apk on your android phone’s SD card
Run and install it
That’s it,Enjoy! :)