ITCAPP - Security Is Main Concern Here

Description - the app would be used for delivering course content like videos , notes & attachments which can be viewed on ios & android application the main concern will be on security of application design is second priority i will prefer material design by google Some Basic Features - 1- Screen Recording Should Be Prevented On Application 2- Screenshots Are Prevented On Applications 3- If I Purchased The Course Using An App On My Phone Then I Can Only Login On My Mobile & The Login Will Not Work On Any Other Device Until User Request Device Change Using Email Or Form On The App 4-The App Should Not Work On Emulator 5-The App Traffic Should Be Secured 6- We Will Be Using Encrypted Videos 7- A Person Can Download Video But It Can't Be Played Outside The App It Needs Decryption Key 8- We Will Use DRM Protecition If somehow someone manages to record he will not get voice or video content like it happens when we record chrome in incognitomode we get black screen only 9- If Possible We Want To Implement Realtime Live Class Feature With Realtime Encrypting That As It Flows Through Buffer [ Sorry If This Didn't Make Any Sense Now]