Note: A universal remote may not be needed if the TV has physical buttons. They may also be difficult to find.
1. Get to the HDMI input using a universal remote app.
App: https://bit.ly/1cUGBL6
2. Setup a travel router to get past the hotel's captive portal.
Hootoo Router: https://amzn.to/2K32wB3
3. Connect Fire TV to travel router and stream movies.
4. Use an OTG cable to watch videos off a USB drive.
OTG Cable with Power: https://amzn.to/2jH1zDt
File Explorer App: http://goo.gl/AtoF5D
Vyper Majik: https://bit.ly/2I2ys7T
BK's Bullets: https://bit.ly/2I4NgCY