How to use the Lego Mindstorms NXT as remote control for the Mindstorms EV3 - YouTube
First-person view and remote control with LEGO Mindstorms EV3
Another LEGO EV3 to NXT mindstorms communication solution - Hackster.io
NXT Remote Control - Apps on Google Play
Q: Simplest way to control a stock EV3's 2 motors fwd/reverse, remotely? (WiFi, Bluetooth, or even the IR controller) : r/mindstorms
brickhid - Direct connection between Bluetooth gamepads and LEGO Mindstorms EV3
GitHub - GonzaloHernandez/nxt-pc-remote-control: This project aims provide to Linux users, control a Lego NXT Robot by means of a PC Remote Control using bluetooth device. Other applications with similar profiles, may be
nxtOSEK: NXT GamePad
GitHub - joetex/NXT-ucontrol: Remote Control an NXT 2.0 using Windows and Bluetooth