basic app to be developed - open to bidding

I am expert in iOS and Android app&game development. Besides these I have a rich experience about backend & frontend for mobile app. I have been working in this field more than 7+ years and had already developed over 50 apps&games in several parts. I can also develop web site and web apps for mobile. I have rich experience in Social Networking,cocos2d, cocos3d, box2d,box3d, unity3d,cocos2dx, Google Map API, REST API, Web Service, Database Management, PDF, Audio processing, photo manipulation, camera filtering, in app purchase, live streaming , backend programming for mobile app,Video chatting, audio chatting,swift so on. 
 I will wait your reply. Thanks for your time.

Hello I am mobile and web expert. I have rich experience about mobile and web project for several years. I can finish your app within 7 days I can start your project immediately, and try to sync timezone with clients so you needn't feel timezone differences as well. If you are interested about my proposal, please send me message so that we can discuss further about your project. Regard

Hi, how are you? First of all, i'd like to introduce myself. I'm Luciano, an engineer from Spain who has been making native applications for Android and iOS during the last years. During this time, i've made dozens of apps and till now, i can presume that all my clients were satisfied with my work. I'm interested in your projec and i'd like to know more details about it to let you know an accurate amount of time and money. If it is a simple app, it won't suppose a problem to finish it on 7 or less days for sure. Please, let me know any doubts you have. I hope that we will be able to work together. Best regards, Luciano.

Hello sir,i am professional Mobile/Web Developer (iPhone, iPad, Android, Backend ) i can fulfill your all requirement and can assure best service from my end .. Thanks,Manish.

Hello I am IOS/Andriod developer having 4+ years of app development experience and i had developed almost all kind of app including chat app, e-commerce, photo app and camera scanning app including feature of in app purchase payment system and GPS?Geo location based app. Let me know about the project details. Thanks