SmartlistX is an exclusive "Smart List" application developed by HANET Electronics Vietnam. It is designed for the latest Series X and allows users to select songs and control their karaoke machine directly from their smartphones. The application is synchronized with HANET PlayX, the leading professional VOD Karaoke product in Vietnam.

The key features of SmartlistX include the ability to control the karaoke machine directly from iOS devices (version 7.0 and up), a user-friendly and dynamic interface, and fast and simple song searching using initial words. It also offers smart search functionality by genres and singers, the ability to save favorite songs, and options to adjust the singer's voice, tone, and volume.