Hello Weslley,
In description you said "My budget for this is 10~20 USD and delivery time must be 1~2 days. " and you set bid limit min to $50000, then how someone can bid by less amount? I can quote the final price and time only after complete communication with you on your requirement.
I worked in the following sectors -
=> Website Design & Development including - Responsive, Parallax, PHP and their framework (Like CakePHP, Laravel, CodeIgniter, YII, Zend, Aura etc.), WordPress, Magento, WooCommerce, Joomla, Prestashop, etc.
=> Mobile App Design and Development including iPhone, iPad, Android (Ionic, Corona SDK, Xamarin, NativeScript, ) and Native, Hybrid, Web Apps and all types of other phones like Samsung, HTC, Blackberry, iPhone, iPad etc.
I am working since 8+ years through freelancer.com and having place in top 2500 ranking.
Thanks