Build an app to reproduce youtube videos

APPLICATION REQUIREMENTS Context A catering company with three different restaurants is going to install a 65-inch screen in each of these restaurants so that customers can play YouTube videos on them. They want to be able to program, remotely and with absolute precision, using a calendar, a playlist where they can choose which video is going to be played on each of the monitors. TV device Application installed on vertical TV with Android OS. Internet access. TV associated to an ID (identification number). Youtube fullscreen video player through links previously programmed in a calendar (hosted in a database), to be played at a specific time and date, on that specific TV, through push notifications. In the space of time when there is no video scheduled, the TV will play another link by default, which will also be sent by push notification every minute, to be repeated in a loop. Website - frontend Responsive design for viewing on smartphones. List to select the screen to work with. Could be even better on a map, locating the three locations. Visually attractive calendar, list type, with possibility to select date, hour, minute and second. Box to paste the Youtube link that corresponds to the video. Button to save the link in the database, relating it directly to the ID of the screen, the date, hour, minute and second programmed. To save the link it is necessary to redirect the user to a payment gateway to pay 10 cents for each video to be played. The calendar should visually show which time slots are not occupied by other videos on that screen. - It would be good to be able to filter out videos with content unsuitable for children by using the link not to show them. - It would be good to be able to find out the duration of the video via the link so that the payment can be adapted to the duration of the video. Web application - backend Application running permanently on a server that sends push notifications to each of the three screens with the links that need to be played at any given moment. en cada momento.