upgrade an Android application

Hello!!! How are you today? I have developed many mobile apps including the android and ios apps. I want to work with you. I can make your app in short times. I will wait for your responding. Best regards.

Hi, I've gone through the requirements. Development time is almost 2-3 weeks and development cost is about 1200-1500 USD, we can talk about technical aspects of the project in chat. I'm sure I'll deliver a quality update of your project on time. Waiting for your positive response, thanks. Regards, RainbowTechs

Experienced , motivated, Responsive and large complex apps developer expert, who care Time management with quality . I have 3 years of Android development experience

Hi, I have a team of professional developers having over 4 years of extensive experience in developing Mobile Apps, Website designing, and a team of Graphics Designer who have an extensive experience in the field of designing and Logos Development. During 4 year time period we have developed over 80+ Apps of different categories and functionalities. Our latest development of App was for a top Tele-Comunication company in Pakistan ( Mobilink) based on Bio metric verification App. We have a working experience on these field for e.g. Chat/Video chat Apps, API integration (google, linked in, twitter, Facebook etc), Online legal document, Docusign, PDF generation online, Image processing, Gaming Unity 3d, Coca 2d, Business Apps, Sale force integration, Stock market integration, Customized App Launchers, Bio-metric Integration, QR/bar code Integration, Social Apps like blood donation, Push notifications, Online restaurants Apps, VoIP, retrofit Integration. SOAP/REST integration, Custom SDK Library integration, 5.0+ UI material designing, GIT etc, However we are interested in learning for more and more References of apps will be provided to you in personal messages Regards