A:AnswerI believe you should be able to-
There are three hdmi ports and when you turn on the tv, the menu will let you name each HDMI port that is hooked up, so you can easily switch from PlayStation to the dvd. Hope that helps!
A:AnswerI've never had to cast apps from my phone to ROKU. You can add lots of different apps through ROKU search and apps. You name it and ROKU can probably add it. You can add apps when you set up your TV and you can add more anytime after you set up. You can mirror your phone to the screen too.