Strapi as AdminCP to Manage the Data of a Mobile App

np. for a more elaborate explanation to my answer, since you’re using api requests to communicate from your anything frontend to your strapi backend, that frontend could be anything - a react website, a react native app, anything that can make api request with restapi or graphql should work flawlessly with strapi. Strapi will provide you with all the endpoints you need for auth, localization, content management in general, you just have to utilize the various api’s that strapi will expose (with the appropriate security in place) in order to use strapi as a backend.