下載 APKPure App
可在安卓獲取Extra Key的歷史版本
點擊功能來設置多個電話功能（需要額外的硬件）
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