该APP基于蓝牙4.0（BLE）技术，可通过手机对MINI LED显示屏进行文字操作。该APP目前支持中文、英文人机界面，可通过手机语言自动识别；支持中文简体、中文繁体、日文、英文、俄文、韩文等多国语言；支持手机字号、字体、特效、跑马灯等多种功能。和传统上位机方式对比，具有操作简单、使用灵活、稳定可靠及人工智能等有点，完全可取代传统上位机！

This APP is based on BLE 4.0(Bluetooth Low Energy), It supports to change the words shown on the LED display via your phone. The interface now supports Chinese and English, the words input support Simplified Chinese\Traditional Chinese\Japanese\Korea\Russian etc. main multilingual and identified automatically by your phone system. it is a real subsitute for old upper computer programe。