When comes to multimedia enjoyment on Nook Tablet:
Video playback:The Nook Tablet ships with both the Nexflix and Hulu Plus streaming video apps. Both require accounts with their respective providers, and are popular services that require no introduction. The Tablet does a good job with both apps, and Netflix is particularly impressive; it looks sharper than the Kindle Fire's Netflix app and supports up to 720p resolution (higher resolution than the LCD panel).

Anyway, Moboplayer is also a recommended program for watching videos on the Nook Tablet. Like every other video player app out there, MKV files are sluggish and should be avoided, but AVI, MP4, WMV, and most other formats play smoothly. There are also great on-screen controls that will adjust volume by swiping up/down on the right side of the screen, and brightness by swiping the left side. Users can also change aspect ratio and skip backward or forward.

Plus, the tablet has a basic music player (non-DRM MP3, AAC, WAV and OGG) that can play in the background while you're reading or browsing the web. You can use stereo headphones or the built-in speaker for audio playback. Etc.

In the case the imported file like FLV, WMV, MOV, etc can't be recognized by the device, how to tackle it? Try to transcode it with freeware? It may do work, but you may need to know some tough some coding background. Anyway, the Doremisoft Nook Tablet Video Converter is specially designed to help you to convert video to Nook Tablet in a quick and easy way.

Tip: If you are running Mac OS X (Lion OSX included), you can refer to the Nook Tablet Video Converter for Mac.

How does the Video Converter for Nook Tablet work?
It can directly transcode the source file to nook tablet supported file format 3GP, 3G2, MP4, M4V, MKV, WEBM, H.264. It is very easy-to-handle and barely three steps are enough: Load the source file->choose output file format for Nook Tablet->Hit "Convert", then you will get the generated file immediately.

Also, the software has some plus functions like video clipping, video cropping, add video effects, make advanced video or audio setting and more.

Read specific guidance for using the Video to Nook Tablet Converter: How to convert video to Nook Tablet?