Hello,
I have experience in from scratch development of Android application,
including ones with sophisticated functionality and UI design, you can view one of my work at:
http://www.amazon.com/Denis-Manyukhin-Touch-Light-Trial/dp/B00RC4ODV4/ref=sr_1_36?s=mobile-apps&ie=UTF8&qid=1444143269&sr=1-36&keywords=touch+light
Please provide more information on app you need, I will be happy to help you
Looking forward to hear from you,
Best regards,
Denis