TVBuddy — Universal TV Remote for iPhone Lost your remote? Open TVBuddy and your TV is detected automatically — no setup, no hardware, no account. Full control over WiFi: volume, channels, navigation, keyboard input, casting. Works through walls, from any room. No line of sight needed. Works with Samsung, LG, Roku, Fire TV, Sony, TCL, Vizio, Hisense and more. Your phone is now your remote.