Green Screen with marker

NOTE : THIS IS NOT A VIDEO EDITING APP. It is a app for small green,blue screen for creative video or photo shoot.Your phone will be turn as green screenYou can enable/disable/adjust markerThis application keep screen without turn offMore details https://www.wikihow.com/Use-a-Green-Screenhttps://www.youtube.com/watch?v=jeNR3nmZBJw