点击功能来设置多个电话功能（需要额外的硬件）
Smart key Functions with one click, double click, thrice click and long press click function to set multiple phone functions
Most frequently used mobile phone spare part for clicking pictures, snap, recording, opening an app etc
For this app to work, it needs a 3.5 mm headphone or a 3.5 mm key. To order a key, email us at vishal@mumbaionweb.com