Write an Android application

We need to get an Android App developed for a mini restaurant project for one of our client. Features in brief are as below: 1. Compatible with all the devices (mobile + tab) in portrait and landscape view and should run on all the OS versions from Kitkat onwards 2. Categories of food can be created / edited / deleted dynamically 3. Food Items can be added / edited / deleted and assigned to category 4. While placing orders, current location should be fetched using Google maps 5. Based on the distance and parameters set from back end, delivery charges should be calculated at final billing stage. 6. Tax if applicable should be calculated at the time of placing final order 7. Packing Charges - optional 6. Reward points should be awarded on - a. Referral points earned when app is shared and the person with whom app is shared downloads and creates an account b. On successful completion of order, customer earns reward points 7. Earned points can be used in the next order but limit to certain % that are specified in back end Back end: 1. Back end should be in PHP and web based 2. All the parameters like tax, packing charges, reward points, delivery charges, category, item etc would be set from back end. 3. Customer master 4. Category master 5. Item master 6. Tax master 7. Company master 8. Parameter master Terms and Condition: 1. Should be ready to sign NDA 2. Complete source code of front and back end has to be provided with version control 3. In proposal, time frame has to be defined along with milestone and payment will be released once milestone is achieved and code is approved by our team 4. Daily reporting on the work done for the day on skype. 5. Warranty period from the date of publishing on Google play store