Hi,client!
I am glad to have a chance to work with you.
I have read your requirement in detail and I would confirm I am a competent developer for your project.
Last 5+ years, I have been developing Android/iPhone apps and games using Map, GPS, Ads, Calendar, Chat, Facebook, Twitter, Youtube,Cocos2d, Box2d, Multi-Player, OpenGL and so on.
As a result I have rich experience of mobile branch.
I think your idea is very good and if we work together, this project can be completed successfully.
I can start developing project immediately and finish it for your request time.
I will work very hard to reward for your expectation.
I am planning to accomplish this job with the best price for you.
Please see mobile apps I have done.
-Android apps
[login to view URL]
[login to view URL]
[login to view URL]
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-iPhone apps
[login to view URL]
[login to view URL]
[login to view URL]
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Looking forward to your good reply.
Best regards.
Alex