Build me an android app

Native Android App Dev outsourcing I need to have a native Android App that students can log on and have classes accordingly, the class is carried on via third-party live streaming SDK that's provided ready-for-use. Notice we have already a Joomla run site that works as the backend for this APP, handling creating class for students/teachers, also it has all the data such as user account ID etc. Therefore the App only presents the data from Joomla web end. The main functions of the App include: * Student ID logging on - info correct, log on - info incorrect, show tip * Class Calendar that shows his/her classes, and JOIN via third-party live streaming SDK; - Pending Class: class details, page cover, number of class, level, teacher name, time, date; - Click JOIN and go to the virtual live streaming classroom; - Calendar * Class Calendar that shows his/her past classes and PLAY via an URL which is a recording. - Ended Class: class details, page cover, number of class, level, teacher name, time, date; - Click PLAY and go to the - Calendar * Student Profile, that shows teacher's feedback on his/her past classes - Student picture, info; Class progress; - Stars/scores in Pronunciation, Participation and Speaking; - Written comments/feedback from teachers; - log out The UI PSD is already finished. I would expect this native app to be developed and tested in at most 2 week's time. 3 milestones:(A-30%, B-40%, C-30%) A: Finish 80% of the API's & functions (log on, join class, play recording); B: Polish and update according to 1st around feedback; C: Update the 2nd around feedback, and source code transfer.