react native feature addition

Hello. I bought the application I mentioned in the link. I want to add the features I have mentioned below to this application.

LİNK: https://wicombit.com/product/fitpro-complete-react-native-fitness-app-in-app-purchases

1-Publishing a video ad from the control panel. I will upload the video and it will be displayed in the application at the intervals I specify. At the end of the ad, it will go to the premium membership sales area. (Like Spotify)

2- They will be able to obtain their own exercise plans from the exercises within the application. They will be able to create a 7-day training plan in their own exercise list.

3- There will be a stopwatch in all exercises. They will be able to add the resting period, the exercise duration, and the weight of the end.

4- The store section will be able to purchase products with iyzico virtual pos from within the application. In the store section, there will be sections such as my cart, order status, and my account. Cargo tracking numbers of the products sold can be added from the control panel.