Build android and IOS app

The app I want to build should have these features

Five steps dashboard SUPER ADMIN, ADMIN, TENANT, EMPLOYEE, OWNER. (Any of this group can login to the app)
Super admin can create multiple building and assing admin for each building.
Multilangual, super admin can create multiple language file and upload file from admin panel.
admin can manage full apartment.
Employee can check salary, manage complain with reports.
Tenant can check rent statement, manage complain with reports.
Owner can manage his/her apartment with reports.
Fully responsive.
Suitable for all platforms.
Extremely flexible interface.
Admin can send sms and email notification to employee, tenant and owners.
Admin can assing tenant complain to any employee and after solved they can update status.
Admin rent due and paid invoice.
Admin fund invoice.
Admin quick available room checking.
Whole apartment management system at your fingertips.
Smooth operation, user friendly interface, full of functionality and compatible features.
Expandable, customizable and fully supported by us!
Clear dummy data action.
Full of features.