Développement mobile

Application Androïde J'ai besoin qu'il soit conçu et construit Hello we need source code based on xwalk webview with some modifications! modifications: - Added splashcreen - Addition of 'Intro Slider App' for the presentation of the application (when the user uses the application for the first time) - Added a first popup window that forces the user to update the application of an apk hebereger on a personal server (not googleplay) + Auto-install the app on phone. (when the user is using the application for the first time or when there is a new update) Added a second popup window that asks the user to follow us on our facebook page to follow our news. - Printing Banner Interstitial ADMOB every 60 seconds. - Allow download and fullscreen player further modifications will be made later if agreement is reached. Waiting for your answer, I would like to know how long will it take and how much will it cost us? If you are serious and you do a good job and your prices are competitive, we can find work with us subcontracting.