A simple player, support many video format and just copy your video through iTunes File Sharing, don't need to sync your iPad with iTunes.
This app also provides screen capture feature, just one touch and it will save a image from your video to your Photos library
How to add videos to this app:
1. connect iPad with iTunes using your lightning cable.
2. in iTunes, click the iPad icon on left top bar and select Apps under Settings
3. on right of Settings panel, scroll down to bottom of Apps, you will see File Sharing.
4. click HC Player, then drag and drop videos to HC Player Document.
5. Now you can watch your videos