Write an Simple Android application

i want an android application... which check your weight (who holds the android phone) process: step1: user installs and opens the app step2: there is a finger print symbol step3: user need to hold his right or left thumb on the finger print. step: now app calculates the weight and displays his weight. note: must integrate admob code. (app should support ads.. i want to earn through this app) so must follow and meet google play stores T&cs feel free to ask me if you have any questions. BUDGET: $5.. more than $5, simply ignored. so do not waste your bid.