* Softwares you need to do this : (all download links provided below) :
1) 7-Zip File Manager
2) Windows Image Resizer
* Stepwise Guide :
STEP 1 : Get you launcher’s (.apk) file
STEP 2 : Extract it with 7-Zip File Manager
STEP 3 : Open the folder where you have extracted the apk file
STEP 4 : You will find a folder named ‘res’ ; open it and go to ‘res\drawable-hdpi"; open all folders inside 'res' folder and make sure that you have replaced all the stock isons by desired icons.
STEP 5 : You will find your Launcher Icon. Right Click on it, go to Properties and then to Details ; there you will find dimensions of the image. Note them somewhere.
STEP 6 : Now select the desired Icon and resize it using Windows Image Resizer by right clicking and then clicking on ‘Resize Image’.
STEP 7 : Replace the Icon in extracted folder with the same name.
STEP 8 : Repeat the above steps in ‘ res\drawable-sw800dp-hdpi ‘ and ‘ res\drawable-xhdpi ‘ and ‘ res\drawable-xxhdpi ‘ folders.
STEP 9 : After replacing all the icons, come back to the folder and select all files, right click on them and using 7-Zip add them to an archive, when adding into an archive make sure that you (.zip) by (.apk).
STEP 10: Install the launcher or place it in an Custom Rom. ( I would suggest place this launcher in an Custom Rom )
* All Screenshots, Download links and Custom launcher provided below
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