Project Launcher not signing APK

Searching through log I have found some interesting data

ProjectParams.ValidateAndLog: Distribution=False

and

ProjectParams.ValidateAndLog: SignedPak=False
ProjectParams.ValidateAndLog: SignPak=

Does it mean Project Launcher reads these values from somwhere else than AndroidManifest.xml? Also I’m on 4.7.2, but this particular problem persists from 4.4.