No, you can get the signature from unmod ver but the point is you can't sign it again if you don't have .jsk file of the dev. So i'm talking about It's belong to which version that you have save file on it, not specialized each version. For example, You're playing in unmod but you sign before ->...
Actually you can't sign an apk file to the original signature unless you get the keystore file (.jks) of the Dev. So you have to resigned the unmod one to your own signature ( v1, v1 v2, v1 v2 + v3,...) before playing it. When you want to update, you have to resigned modded version or update...
Are you playing in Android? The cause of failed install an update version usually is different sign. You need to resigned apk to make it both same sign.
i just replace all files exept few system files from EA to retail 1.1.0 and got the retail version successfully run 1.1.2's content. NGL kinda disappointed 'cause the pregnant system so ugrrh, feel like a " Scenes Viewer"
sorry i misspelled, it's Early Access version for high patrons and will public release at 31/1 ( i think so)
But i got a Uncrack version of it:
https://www.mediafire.com/file/izqekpcgag5gfj6/HoneyVillage-android.apk/file