I can do that for you in 1 hour. Tonight. If you want to do that for yourself, see my portfolio:
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or
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In Tutorials section you have Signing Android applications part.
Just follow procedure.
About me, my name is Ivan and I am programmer and 3D generalist with good will, knowledge and enough time and patience.I have huge experience with HTML, CSS, PHP, Android, Java, C/C++...., 3D packages Maya&Max, some game engines (Ogre, Unity, 3D Gamestudio) and also extensive knowledge of Photoshop. More details about me in profile or portfolio.
Thanks.