Responsive Cross Browser & Platform Screen Recorders

Dear freelancers, Project descriptions: 1) Desktop screen recorders for Chrome, Firefox, Opera, IE, Edge, Safari - Desktop screen recorders work in Linux, Mac and Windows 2) Mobile screen recorder apps for Android & IOS - For android app, do not require root permission 3) These screen recorders purpose are to record multiple video chats / voice chats. 4) Recorders have to record both sounds from speaker and microphone. 5) It's best if no need to install anything and can record from the browser directly preferably using javascript. 6) Recorded videos are saved to the user's device 7) Recorded video length can be adjusted 8) Recorded video can be output to mp4 / webm 9) Recorded video resolution can be set 10) Recorded video can be playback using a user’s browser immediately after recorded. 11) Won’t affect other running app / cause any hang / cause any browser crash issues. 12) Responsive 13) Assist our developer in installing / modifying the script 14) Final script & app will be fully owned by us. Payment terms: Milestone payment and to be discussed. Thank you Regards, Stella