Union dating App

I have a dating app in development. Its targeted towards Africans,Afro carribeans, Blacks of African descent living in the western world. usa,uk, Germany, Holland,Canada,Australia etc. I want a high converting landing page design to collect email and phone numbers of potential interested parties. As part of the prelaunch its highly important i have potenrisl users in waiting. the landing page should dedinitely communicate the apps mission. which is to promote inter dating between black people from different backgrounds. i should be able to collect email or phone numbers of potential users of the app will really be nice if its an experienced person whose built landing pages before