Pioneer Dj DDJ-FLX4 Portable 2-Channel rekordbox DJ and Serato Controller (Graphite) - Manual (Page 108)

rekordbox for iOS/Android
108
En
2 Install rekordbox for iOS.
When installation is finished, tap [Open] to start rekordbox for iOS.
 Installing (Android)
1 Scan the QR code or visit the URL below to open Google Play.
2 Install rekordbox for Android.
When installation is finished, tap [Open] to start rekordbox for Android.
https://play.google.com/store/apps/details?id=com.pioneerdj.rekordbox