Hi, I am an expert who is working with not only Android native app development but also web service programming with backend as well, having 7+ years experiences. I have read your requirements, and have great interest to your job as I have so much experiences in any kinds of mobile app development like social networking, gps tracking, photo editing&sharing, QRCode scanning and so on. https://play.google.com/store/apps/details?id=com.cht.qrpay (QRCode scan) https://play.google.com/store/apps/details?id=com.sympasoft.qdm (Smart wallet app) https://play.google.com/store/apps/details?id=com.twistbyte.dailydeals (Coupon and Deals) https://play.google.com/store/apps/details?id=me.just.chance (Social, Chatting) https://play.google.com/store/apps/details?id=com.quiktrak.phonetrack (GPS and Map) Here are my working styles. 1) I always keep client's requirements as rule and will not want to get paid if client don't like result. 2) I can be available anytime if you want. 3) I am able to send daily report or commit source 4) I will absolutely keep deadline with perfect features. I am sure I can implement all the feature as you want perfectly on time. Looking forward to hear from you. Thank you.