The tweak has just one purpose and it does it nicely. With Abeo, you’ll have the ability to hide the dock on your iPhone’s Home screen leaving space for other icons to fill in. The tweak doesn’t add a new row of icons, but rather increases the spacing between adjacent rows of icons to accommodate the empty space.
This means that the icons will move a little further down to fill in the empty space previously occupied by the dock, as can be seen from the screenshot below. For example, on iPhone 5s, the fifth row of icons will take the place of the dock. Although the tweak might sound appealing to some, it would’ve been better if it replaced the dock with an extra row of icons.
Abeo is available for free and supports iOS 8.x devices as well. To get your hands on it, you should first add the following repo to Cydia: http://repo.cpdigitaldarkroom.com