Quote Originally Posted by djeman View Post
You need to resign the apk.

All igo/nextgen apk have an shared id so if you want one more version all must have the same signature.
welcome djeman
Thank you for Collection Nextgen. it's a great job

Can install igo Nextgen + igo primo On Android 4.0.4

Especially now that there are those who use the two together in the different versions of Android

(have the same signature) Do you have to modify the APK