ZenUI FAQ is a free customer service app by Mobile ASUSTek Computer Inc. It provides ASUS device users with real-time assistance in optimizing device settings and troubleshooting common issues. The app features Mobile Care, FAQs, user feedback, and public forums to create a personalized self-service approach for all ASUS device and ZenUI information needs.

The app's Mobile Care feature provides real-time updates on device memory, battery, and storage settings, along with tips to optimize these settings using Boost, Power Saver, and Auto-start Manager. The Message Board feature displays the latest news and notifications from ASUS, along with a list of recent notifications sent to your device. ZenUI FAQs offer a more specific user experience via FAQs and forums created for each app under ZenUI, where users can vote for topics they would like to see in the next update. The Assistance feature provides basic troubleshooting information about device battery, calls, messages, 3G/LTE/Wi-Fi/GPS connection, and more.

Overall, ZenUI FAQ is an excellent customer service app that provides comprehensive in-device assistance to ASUS device users. The app is user-friendly and easy to navigate, making it an essential tool for optimizing device settings and troubleshooting common issues.