Measure app using sticker of known diameter

Hi there, I've gone through the post description carefully and ready to start work on this project. Requirements are very clear but please come over the chat so that i can get more requirements if remaining. I am an expert web/app developer with 6-year experience. My expertises are as follows- BACK-END:- PHP[Laravel, Joomla, Magento, WordPress, Shopify], JAVA, PYTHON, AND NODEJS, FRONT-END;- HTML/CSS/SCSS, JAVASCRIPT, JQUERY, GOOGLE TAG MANAGER, REACTJS, ANGULAR, VUE JS, COFFEE SCRIPT, TYPESCRIPT AND EXPRESS JS DBMS:- SQL/MYSQL, NOSQL, POSTGRESQL, MongoDB, COUCH BASE, GOOGLE FIREBASE, AND ORACLE MOBILE APPLICATIONS:- ANDROID/IOS[NATIVE/HYBRID], XCODE, ANDROID STUDIO, REACT-NATIVE, PhoneGap, AND CORDOVA OTHER:- GOOGLE[ANALYTICS, FIREBASE, PUSH NOTIFICATION, ADWORD, ADS, MAP, AD-SENSE], FACEBOOK S KD, GOOGLE SDK, OAUTH-2 AUTHENTICATION, PAYPAL STRIPE MASTERCARD THREE-WAY PAYMENT TRANSACTION LIKE FREELANCER PROJECT MANAGEMENT AGILE, TECHNICAL ANALYSIS Thanks

Hello, I can start from right now . Please share more details . i am having expertise in the fields of Content Writing, Graphic designing, Video Editing, and Software Development. I have more than 5 years of experience in all the above fields. I read your proposal and am interested in your task. You can initiate a talk with me to let me understand more about your project. Regards ..... Priyanka dixit