Hello
I am sagar nayak . i just saw you proposal in your description and i think i am the perfect man to do this job for you. and i think i will make you believe this by my description below.
I have 2.5 years of exp in android development . my major field of work is android system programming. the coding part mainly. i have worked over api like paypal , google analytics, google maps, google direction and location , zxing and many more . recently i am working on ux team to make the user experience more juicy and dynamic. you can also checkout my stack overflow account for these info .
You have mentioned about some tracking app in your requirement. i have also worked on many gps based work in past. you can take a look at this in my portfolio. i suggest you please tell more about your requirement so that we can proceed further.
So i think i made my point here . please do reply so that we can discuss further about the project.
thank you