After my previous gallery app got discontinued, I was frantically looking for replacement and came across Cozy Video Gallery app. Boy, I wish I found it earlier! Great interface, easy to use and I can finally bulk upload my videos! I store my works on Vimeo, not YouTube, but it works just as well; simple copy & paste and you can upload unlimited videos / links at the time. My galleries are big and having an option to upload tens of videos at the time is a true life / time saver.
Also, customer service is top notch – I had an issue with image sorting and they custom-fixed it for me in no time.
Overall, highly recommended!