android studio & php modifications on ready made app

this is a store finder app will divide the work progress into two stages stage 1: - little layout modifications (rtl - color changing) - search page -- adding keywords text field in admin panel to be able to be search in app -- fixing bulk stores loading ( the page is forced to load all stores of the app before the search we need to fix this ) - stores page in admin panel needs filter option to view stores by (rating - category - reviews - featured) we can discuss this briefly - adding only a check box in the store add page to choose if push notification will be sent or not - adding text fields in the store page (offer part) with counter for offer when the offer ends the whole part should disappear - making all text fields in store page has multi-line option so we can divide text in lines stage2: - multi-categories option: the app now runs in one level category we need to be able to use infinite categories and subcategories in each stage the freelancer will send the source code before the release.