A:AnswerYou will need to connect a 3rd party device to access ROKU programming. Unfortunately, this TV does not run on LG's webOS TV Platform to allow for preinstalled apps nor the capability to download and install apps. ^Daphane
A:AnswerThe frequencies are listed as Horizontal-Frequency 30kHz~83kHz and Vertical-Frequency 56Hz~75Hz. This TV does not have capability to download and install apps. ^Daphane
A:AnswerPlease reach out to our support team via private message on Facebook @LGUSSupportor call at 800-243-0000. Please be sure to provide your contact information, model/serial numbers and date of purchase. ^Daphane
A:AnswerYes, you can connect this to Mac Laptop by using USB-C to HDMI adapter. If you have further questions or concerns, please reach out to our Support team via private message on Facebook @LGUSSupport. Please be sure to provide your contact information, model/serial numbers and date of purchase. ^Daphane