The features like smart guide and voice command are new in Roku OS 8. The users enjoy the voice control feature and admire its compatibility with the 4K channels channels which can be activated through enter Roku Activate. The devices performance is enhanced with the updated software infused in recent Roku devices. Controlling the TV over voice command is user-friendly and keeps the user at ease. Smart guide feature keeps prompting information which appears on the TV Screen. The subscription offers are also prompted for user's utility. For any hitches or enquiries you can call our technical assistance who can give best online support. Use our toll-free number +1-888-269-1011 for contacting our team members.