Make Nova Google Companion App Work On KitKat Devices
Recently, we reported that Nova Launcher developers found a way to add a Google Now Panel in their launcher, without root. With a few simple steps, you can have the same functionality on KitKat devices.
XDA Senior Member Nikhilkumar038 managed to found a workaround to make the Nova Google Companion working on an older version of Android. The method requires you to decompile the app and lower the SDK level from 21 to 19. You can find detailed instructions in the forum thread by clicking the link below.
Make the app compatible with KitKat