How to Add Google Search Widget to Home Screen on HTC 10
The Google search bar (widget) on the home screen, lets you search for content both in your device's memory or internet. To remove / add Google ...Continue
Grid size for Android apps and widgets on the home screen is changed on Nova Launcher. To change Grid size on Nova launcher and set rows & columns size do as follows:
1. Go to Home Screen and hit "Menu Button"
2. Select "Nova Settings"
3. Tap "Desktop"
4. Tap "Desktop Grid" to change row and column size for your phone's desktop
How to Hide Dock on Nova Launcher
How to Hide Notification Bar on Nova Launcher