decompiling,modify,compiling app

I need to change the manifest file in order to publish my app on google play to even fit for tablet.there are many tutorials I use apk study to decompile but when repass

to fill in the application does not accept me the key, however also without key the program will not recompile once changed .There 'one more method'

simple?

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Solution for tablets on Google Play by J Martin

or you can use AppToMarket or ApkModder 

AppToMarket: https://groups.google.com/forum/#!forum/apptomarket

ApkModder: https://groups.google.com/forum/#!forum/gwayapps

for further questions, please ask in the corresponding forum. thank you.

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Thank you,Taifun


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