Need to know how much does it cost

Simple & basic English learning app for Arab kids under age 8 (Android). -Pictures and voices of: Alphabet, numbers, animals, country flags, colors, fruits and words. (Full Alphabet - 20 numbers - 30 animal - 27 countries - 15 colors - 15 fruits - 50 word). -Simple quizzes (Choosing the right picture, the right word, the right voice) -Typing learning (Simple typing with finger of numbers and Alphabet) -Language of the app: Arabic (I'll provide the translation). -Tablets and Phones (Galaxy S8+ or similar screen ratios not required). I already have the pictures, voices and simple sketched design. No sign up. No internet required. No notifications. No sharing to social media. No user profiles. No complicated design. No settings. No ranking. No merging with Google. No Ads. No App purchases. No night mode. No chatting with other kids.