Need a Mobile and web developer

Sample android app: tested on android 5.0 and android 10, it's buggy and we know we may not work on other android versions. it's just a sample app, for you to have an idea about the challenge. Sample server endpoints: - YOUR TOKEN: 9939919a16f6e777548bfbd8cec327ca - get articles list method: GET [login to view URL] example URL: [login to view URL] - get article details (if you are the author of the article) method: GET [login to view URL]{ARTICLE_ID}/?token=9939919a16f6e777548bfbd8cec327ca example URL: [login to view URL] - update article (if you are the author of the article) method: POST [login to view URL]{ARTICLE_ID}/?token=9939919a16f6e777548bfbd8cec327ca example URL: [login to view URL] - create a new article method: POST [login to view URL] example URL: [login to view URL] - delete article (if you are the author of the article) method: DELETE [login to view URL]{ARTICLE_ID}/?token=9939919a16f6e777548bfbd8cec327ca example URL: [login to view URL] - get users list method: GET [login to view URL] example URL: [login to view URL] - get user details method: GET [login to view URL]{USER_ID}/?token=9939919a16f6e777548bfbd8cec327ca example URL: [login to view URL] - update your profile (linked to your token) method: POST [login to view URL] example URL: [login to view URL] Mobile App developer challenge 1: Build a mobile app for android/IOS similar to the sample one provided. requirements: - you can make it using framework/technology you like. - the app should connect to sample REST API server provided. Backend Developer challenge 2: using PHP/MySQL/nginx, build and DEPLOY (using any hosting of your choice) a REST API server like the one provided. An oauth2 authentication would be the best choice, but if you feel lazy for this challenge, you can use a simple string token as authentication, like the one in the sample server provided. Frontend Developer challenge 3: create a web app like the sample mobile app provided, you can use any HTML/CSS/JS framework you like. UI/UX/Graphic Designer challenge 4: using any software you like (figma, XD, photoshop, etc.), design a mobile/Web app UI for a music social network, where users can listen/share audio files. pages to design: - Homepage - profile page - My profile page (editable) - latest posts page - post details page - New post page