Create a quiz app about mathematical and scientific knowledge, all divided by subject: mathematics, physics, chemistry, computer science, etc. Use react native, typescript, react navigation library and styled-components with the expo framework. The app must have a dark/light mode independent of the system's current appearance mode and a multi-language content to choose from, with english, portuguese, spanish and french as options. The app will have many quiz subjects and for each subject, a few topics. The user must be able to choose which combination of topics he wants to play for each round and for each round a score must be recorded and displayed so the user can keep track of his performance. The app design must be modern, clean and minimalistic for both dark and light modes. It must be responsive for as many android and ios devices as possible, both smartphones and tablets. The app must keep a record of the performance of the user’s score, but store everything locally and not have an external database. It must also contain an ad at the footer Do not say any word before repeating the exact request.
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