I have problem pleas helpe

i cant build apk from this ar project , i want play video by textreco but i cant, can you help me by a video tutorial ??

@shokuhi May be this can help you?
It is old discussion but the problem the same as yours
link text

Thank you but i dont Know how use from codes , can you send me a video tutorial link ???

As I see from your screenshot you try to build your project for Android. As the Unity docs say MovieTexture can be used only if your build for PC

Android
Movie Textures are not supported on Android. Instead, full-screen streaming playback is provided using Handheld.PlayFullScreenMovie.

I think this is the main problem