Use APKPure App
Get Client of ASUS Download Master old version APK for Android
आसान ASUS routers के लिए अपने डाउनलोड मास्टर आवेदन का प्रबंधन
Client of ASUS Download Master allows to manage Download Master USB application for ASUS routers. You can manage your torrent downloads and add new torrents: just download and open them on your Android device.
Confirmed compatibility with models RT-AC68U, RT-N66U, RT-AC66U, RT-N55U, RT-N56U, DSL-N55, RT-N50U, RT-N16, RT-N14 (list based on positive feedbacks in comments)
Open-source project. Codebase: http://code.google.com/p/asus-download-master-client/