OTG Disk Explorer

No need to root your Nexus! Use your external USB flash storage devices on your Nexus by installing OTG Disk Explorer. You can also use this application as a nice file browser.
The fully featured Nexus OTG Disk Explorer is easy to use with its user-friendly interface and intuitively designed icons. And the best part - NO ROOT NEEDED and it is absolutely FREE.
Some of the main features of the application:
• Works on all Android devices.
• Doesn't need to root your Nexus.
• Process manager gives you the chance to kill running processes and monitor the available RAM memory.
• Quick access icons for you SD card, Camera folder, Bluetooth folder, Downloads and Music folder.
• Recognizes all common file formats.
• Cut/Copy/Paste options.
• Rename or create files/folders.
• Organize your folders - Search, Sort and Create new.
• Change the visualization of files and folders - list or grid.
• Select multiple files. Automatically shows the size of the selected files.
• Properties that give you a detailed information about every file or folder - Type, Path, Number of files, Size, Last modified, Total available space and Available space.
• Share files.
• Delete.

The only requirement: your USB flash drives must be with FAT32 file system in order to be recognized.
OTG Disk Explorer is your easy USB mass storage enabler for all your devices.