1. Introduce the functions and features of this application:
The Mobile Connect to TV USB HDMI application is an innovative solution that allows users to seamlessly connect their mobile devices to a TV screen using a USB HDMI cable. This application enables users to enjoy their favorite videos, photos, and any other media content on a much larger screen, offering a more immersive viewing experience. Additionally, the application supports the mirroring of smartphone screens, allowing users to project their device's interface directly onto the TV.

2. What is the most attractive feature for users:
Among the various features offered by this application, the most attractive one for users is the convenience it brings to their entertainment experience. With just a simple connection, users can instantly transform their TV into a multimedia center, allowing them to access and share their content effortlessly. This feature appeals to users who enjoy watching movies, playing games, giving presentations, or simply browsing the internet on a bigger screen.

3. Number of users currently using it globally:
The Mobile Connect to TV USB HDMI application has gained significant popularity worldwide, amassing a large user base. Currently, millions of users across the globe rely on this application to enjoy the benefits of connecting their mobile devices to their TV screens seamlessly.

4. Most common issues encountered by users:
While the application performs exceptionally well, there are a few common issues that users may encounter. The foremost challenge is compatibility with different mobile devices and TV models. Users occasionally face difficulties when connecting their specific mobile devices or TVs, requiring troubleshooting or specific cable adapters. Additionally, occasional lag or latency issues during screen mirroring or media playback can occur, affecting the overall user experience. However, the application's development team continuously works to improve compatibility and address these issues through regular updates.

5. Advantages and Disadvantages of Application:
The Mobile Connect to TV USB HDMI application offers several advantages. Firstly, it provides a cost-effective solution for users who do not possess a smart TV, as it enables them to utilize their existing TV screens for multimedia purposes. Secondly, the application boasts simplicity and ease-of-use, making it accessible to users of all technical backgrounds. Lastly, with its support for screen mirroring and media playback, users can enjoy a wide range of content directly on their TV screens.

However, there are a few disadvantages worth considering. The dependency on a USB HDMI cable limits the mobility of the connected devices, as they need to be physically connected to the TV. Additionally, occasional compatibility issues and lag mentioned earlier may affect the overall user experience. Nonetheless, the benefits of easy content sharing and immersive viewing typically outweigh these limitations for most users.