When comparing Z Launcher Beta vs Lawnchair 2, the Slant community recommends Z Launcher Beta for most people. In the question“What are the best launchers for Android?” Z Launcher Beta is ranked 7th while Lawnchair 2 is ranked 23rd. The most important reason people chose Z Launcher Beta is:
Users use their finger or a stylus to write the first letter of an app they are looking for in order to find it and launch it. It allows for a fast way to find and launch apps.
Specs
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Pros

Pro Apps can be searched for by scribbling letters
Users use their finger or a stylus to write the first letter of an app they are looking for in order to find it and launch it. It allows for a fast way to find and launch apps.
Pro Allows searching contacts and websites directly from the launcher
By gesture writing the name of a contact or website on the home screen the launcher will show results for the user to click on to go to the corresponding contact or webpage.

Pro Keeps your most used apps at the forefront
The launcher learns what the users most used apps are and adapts what it shows on the home-screen to that usage.

Pro Simplifies your homescreen
Z Launcher is a very minimal launcher where the home screen is 4 shortcuts at the bottom, 6 of the most used apps and phone numbers on the home screen and a clock at top.

Pro Nicely designed context-aware multi-app widget on homescreen
A clean and minimal designed widget that contains info from multiple apps, letting the user scroll between them intuitively.

Pro Unread Counters for docked Apps
Having apps like Hangouts or the Phone Dialer in the docked apps will allow for unread counts on the icons.
Pro Google Now
Offers Google Now page via Lawnfeed add-on.
Pro Gestures
Has gestures, such as swipe on fingerprint sensor to pull down notification menu / pull up app drawer.
Pro Pixel-like features
Has a Pixel home screen overview widget that can be cutomized.
Pro Widgets
Widgets can be stretched to full-screen.
Pro Dock
Possibility to have single- / double-row dock.
Pro App icons
Supports icon packs and offers different app icon shapes.
Pro Customizable
Offers amazing customization options.
Cons
Con A severe lack of customization options
Being that this is meant as a minimal style launcher, there is not many customization options. It is of course still in beta, so more options may wind up in the app over time.
Con Scribble feature is inconsistent
Just as with writing recognition for keyboards it is not always exact, especially depending on the users own handwriting.
Con Weather settings
Weather widget has to be set up manually with API and has some localization issues.
Con Lawnfeed has to be downloaded from an untrusted source
It's the only way to get Google Now feed.
Con Updates
Resets certain features with Google/Lawnfeed updates.
