Lets consider this scenario. I have a Samsung Galaxy smartphone which comes with Touchwiz as a default launcher. If I use a different launcher does it run on top of the touchwiz interface or does it disable touchwiz temporarily and run instead of it? What are the advantages/disadvantages of using 3rd party launchers?

  • Short: the TouchEiz launcher gets temporarily disabled but all other features persist as they are not part of the launcher. For advantages or disadvantages there is too much to write. – GiantTree Apr 29 '15 at 9:02
  • That's a very good question, Surya – thanks for bringing it up! As you're surely not the only one wondering, I've setup our launcher tag-wiki immediately to cover all basic information, plus links to further resources. Please check it out :) – Izzy Apr 29 '15 at 10:49
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    @GiantTree I recommend you reading the new tag-wiki as well: "all other features persist" might not be fully true. The "alternate launcher" won't be capable of using TouchWiz widgets, for example (at least that never worked with HTC Sense widgets when replacing the HTC launcher, or LG widgets on LG devices) – as that launcher is unlikely to provide the corresponding API interface those widgets plug in to. – Izzy Apr 29 '15 at 11:06

A launcher, in simple terms, is an interface for your home screen; it determines the appearance of it, if you like.

If you were to install a 3rd party launcher (Nova is quite common), it would not run on TouchWiz, nor would it uninstall it.

If you do install a new launcher and want to go back to using TouchWiz, it's just a simple matter of tweaking a few settings in the Settings app.

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The launcher usually is considered to be the homescreens and app drawer, and they come in all sorts of flavors and designs. When you hear people talk about "stock" Android, this usually is what they're referring to -- homescreens and app drawer unchanged from what Google includes in the open-sourced code.

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