Hello Sir,
I have vast experience & very good knowledge of app development have developed many apps.
Once you chat I will show & make volume emulation app for you.
Thank you
Relevant Skills and Experience
Android, XML, Java, iPhone, swift, C# Programming, Java, Mobile App Development
Proposed Milestones
$15 USD - Starting of project
$55 USD - After completion of screen designing
$55 USD - After completion of coding
$30 USD - After completion of testing