A:AnswerI think you're referring to frame rate. 4K HD just makes the image more crisp for larger TV's like this. Frame rate is what effects the way the image looks when moving. This TV has a standard frame rate. It's the 60fps (frames per second) TV's that can be jarring to some people.
A:AnswerAs far as I know you can connect to the TV through Bluetooth because I am able to use my phone as a remote for the TV. It will have you download an app. I hope this helps.
A:AnswerThis TCL TV features more than enough storage space to be able to download all of your most used apps. You can visit www.tcl.com/us/en/products/home-theater/4-series/65-class-4-series-4k-uhd-led-smart-roku-tv-65s455 to see all of the currently published specs on this TV. Hope this helps! Thank you, TCL Customer Support