This is a free application that can be used on mobile devices and tablets. It is designed to display information on the screen of a smartphone.

It supports a wide variety of data files. You can choose the type of data file to be displayed on the screen. You can also set the font size and color of the text. You can set the background color of the screen.

The application also supports full-color display. The color of the text can be changed to a custom color.

The application supports both horizontal and vertical scrolling. You can also use the scroll bar to scroll through the screen.

The application has a head sign function. You can set the display position of the head sign.