Android App Update - open to bidding

Avg Bid (USD)
Project Budget (USD)
$250 - $750

Project Description:
we have codes and everything of our app (is a quiz game).
The indian company that developed us closed, and now we are looking for a professional developer that help us to improve our android app (currently we don't know why any mobile phone doesn't support it or don't see it in the store) with new functions like play the quiz with another friend (quizcross funcion).
please let me know what do you think.
best regards

Skills required:
Android, Mobile Phone
Hire lingo82
Project posted by:
lingo82 Italy
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