Whats the difference between unsign apk and sign apk ?
Signed apk = for non root device + you cant login google
Unsigned apk = for rooted device + can login google
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for install unsigned you need root + patch your android using lucky patcher
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Note
DISABLE APPLICATION SIGNATURE VERIFICATION USING LUCKY PATCHER
1- Open Lucky Pather
2- Tap on "Toolbox" -> "Patch to android"
3- Check "Signature Verification status always true" and "Disable .apk Signature Verfication", then apply changes. After this maybe your Android device will reboot automatically. If your Android device not reboot automatically, continue to the next step.
4- Still in the "Patch to Android" menu, check the "Disable signature verification in the package manager". Apply changes, and done! (May reboot automatically)
5- Done, Now u can uninstall luckypacher then install file apk unsign
6.Enjoy MOD !!!