Nevolution lets you change the order notifications appear in, bundle notifications together, turn off the heads-up alerts and more. It’s currently in beta and is free to download from Google Play. The app is available to download now and is available on Google Play for free. It lets you use multiple modes, Elastic List, Stack, Multi-Line Text, Stack and No Heads-Up. Nevolution is available now on Android Market for $99 ($99/99/149/99)”]
Source: https://gizmodo.com/how-to-hack-notifications-on-your-android-phone-1771159616