Need an android app for local food community of housewives -- 2

Overall functionality is, details will be shared with awardee. For Seller Sell food (pictures/quantity of today’s dish) For buyer Order food(pickup or home delivery option) For both Register in general, not as buyer or seller City Drop down Locality area drop down (for now only drop down, in future maps can be adapted) Paytm Integration Backend Panel Simple PHP interface to view user profile/daily orders Basic GUI , not too much complex or graphics Please state approx hours and estimated cost, any entries without this will be rejected. If someone have this kind of app available, please share demo app link.