1. Survivor royal mobile phone game winning gadget, an add-on undetectable by system
2. With four fingers all in action, one step quicker than others
3. Transparent material no sightline blocking
4. Assembly and play, irrespective of left or right
5. Fully fit, no hurt to mobile phone, movable clip, fit to back of mobile phone, secure assembly, easy disassembly
6. Supportive of all mobile phone models, Apple, Samsung, Xiaomi, Huawei, OPPO, vivo etc.