title: Phonegap online Android app release build is not installing into my phone?
body: <p>Hi everyone i am facing a strange issue. 
  When ever i try to build source code for android app online (<a href="https://build.phonegap.com/" rel="nofollow">https://build.phonegap.com/</a>) with my keystore then app is not getting install into my android phone and it says "App not installed". But when i try to compile it without any keystore app is installing into my phone. I want a release android application for publishing. Am using phonegap 2.9.0. What is wrong with this?? I really need help from you guys am not expert of phonegap. Please help me out!</p>