What is the occupation of Blue Shield Guard?

Blue Shield Guardian is a fashionable, interesting and practical mobile phone security software. Developed independently by Landun Information Technology Co., Ltd., an intelligent security leader. Solve mobile phone security problems such as spam messages, harassing calls, mobile phone viruses, malicious advertisements, privacy security, and online banking payment. There are special functions such as SOS emergency help and safety information, as well as necessary requirements such as garbage cleaning, traffic management, loss handling and communication backup.