FPViewer is an application to display analog video using Easycap & UVC video grabber device connected via OTG cable to android device.(no root)

Also FPViewer offers an optimized feature allows you to use the Android devices as FPV monitor.

■ Features
Easycap Viewer
Display analog video using Easycap video grabber device on android device.(only support UTV007 HTV600 HTV800 version Easycap and not support audio input)

FPV 5.8G Receiver OTG Viewer
Display a FPV 5.8G Receiver device.(Eachine ROTG01 ROTG02 ATX03 R051 and more)

UVC Video Grabber or UVC Webcam Viewer
Display analog video using UVC video grabber device on android device.(this device's function is same with Easycap) Also If your USB camera is UVC type then you can use the camera with this app.(only support 640x480 resolution)

Video Recording
Save display video as a MP4 file.(Android 4.3 or higher)

Side by Side(VR)
Support Side by Side(VR) mode so you can use android device as fpv goggle.

Always On Top
Set the viewer screen to the top of the phone screen. so viewer screen never disappear even if you get a phone call or text notification.