React native developer required

Hi , i bought a react naive app from codecanyon ( woocommerce ios and andriod app )
the app works perfectly i need to make a few changes to the layout of product page and category page of the app , it's all layout work no more funnctios required
https://codecanyon.net/item/oreo-fashion-full-react-native-app-for-woocommerce/24951657