[Sony Xperia S, Acro S, Ion] Dev.7:
I will update this thread soon to meet with the new v3.2 release.​

Instruction for Aroma Installation of Nature Xperia Advance International Edition V3.1​

HERE is the link to the Development project of the ROM.

Fresh installation is recommended.

LOCKED BOOTLOADER-

If you are not on a rom based on .96 firmware,do select .96 kernel during AROMA selection.

Download the zip and save it in your SDcard.

Go to Recovery and wipe data, cache and dalvik.

Flash the zip and choose the options you want in AROMA.(Options explained in the guide).

Let the ROM settle.

UNLOCKED BOOTLOADER

If you are not on a rom based on .96 firmware,do select .96 kernel during AROMA selection or any .96 based kernel:eg- DoomKernel | Trinity's(TX-Core Kernel) | Forzaferrarileo JB kernel

Download the zip and save it in your SDcard.

Go to Recovery and wipe data, cache and dalvik.

Flash the zip and choose the options you want in AROMA.(Options explained in the guide).

Let the ROM settle.

First of all you will get the CHANGELOG page to know the change brought in the newer Build.

Click NEXT and proceed towards Installation.

STEP-1

#Click on Install ROM to start the installation.

STEP-2

#Here are the Most Important step in the installation.

#Click on the type of System you want on your device.(You will only be able to select any one.)

NXA Sony Edition

NXA AOSP Feeling

Customize your ROM

Select any one and proceed to the next page.

STEP-3

#Whichever option you may have selected in STEP 2 you will get this page.

Select install CWM(Recovery) if you are on locked Bootloader so that you don't have to manually install again and IF you are Unlocked Bootloader with recovery installed you may leave it as it is.

Select Exchange if you use it or you may skip it.

Select Facelock if you use it or you may skip it.

Select Install .96 kernel if you are not on Stock or Stock related custom kernel(Eg DooMkernel,Trinity kernel,etc),if installed already skip this step.

Proceed to the next page.

STEP-4

#If you have selected NXA Sony Edition or NXA AOSP Feeling follow this STEP 4 further or proceed to STEP 5.

Next page is MAIN FEATURE which is already explained in STEP 3.

In NXA Sony Edition or NXA AOSP Feeling the standard settings according to the developer are selected automatically so you won't get much personalization options.

Next page is STATUSBAR PERSONALIZATION which contain statusbar clock personalization option and Home button option.(You will only be able to select any one.)

Next is Installer page to begin with installation of the ROM.

ALWAYS save the AROMA LOG by clicking on SAVE at bottom left corner of the screen before rebooting the device.(Helpful for the Developer when attached with the issue you face.)

STEP-5

#Only If you have selected Customize my ROM click on the button below follow STEP 5 further.

This is the type of installation where you may get Force Closing of some System apps if selection is not proper so read the instructions properly.

Next page is MAIN FEATURE which is explained in STEP 3.

Next page is BootAnimations option.

Real customization starts now.

Types of Multitasking-This is the type of multitasking option in your Notification Bar.(See Screenshots in the OP for better idea about it.)(You will only be able to select any one)

Framework selection-Selection any one type of framework you want on you device.(See Screenshots in the OP for better idea about it.)(You will only be able to select any one)

Keyboards selection-Select as per choice.(You will only be able to select any one)

Settings Option-This is the option which changes the look of the setting panel of the device.(See Screenshots in the OP for better idea about it.)(You will only be able to select any one)

Launcher selection-Select whichever Launcher you want.(See Screenshots in the OP for better idea about it.)(You will only be able to select any one)

Click on NEXT.

Apps selection-(You can select multiple options here.)

Optional Mod-You can select any options here but select only one between System Black Apps|System White Apps|Aosp/CM System Apps.(You can select multiple options here.)

CPU Settings-Select any one or you may select both as per your choice.

Advanced-Select this option if want to perform a factory reset(It will wipe your data+cache) or deselect it if you don't want to.

Click NEXT and Proceed.

Lockscreen option-(You will only be able to select any one.)(See Screenshots in the OP for better idea about it.)

Lock Ring style-This option if for those who have selected AOSP in the above Lockscreen Selection.(You will only be able to select any one.)

Click NEXT.

Next page is STATUSBAR PERSONALIZATION which contain statusbar clock personalization option and Home button option.(You will only be able to select any one.)

Next is Installer page to begin with installation of the ROM.

ALWAYS Save the AROMA LOG by clicking on SAVE at bottom left corner of the screen before rebooting the device.(Helpful for the Developer when attached with the issue you face.)

For any Issues with the installation(Especially STEP 5) first read the FAQs for solution.

If no solution is posted for your issue or any new bug report with AROMA log and a logcat if possible.(Helpful for the Developer when attached with the issue you face.)

FAQs

Q--How to save AROMA log?

A--After you complete installation before rebooting there is a option in the bottom left side to save the Aroma log.

Q-Where is the AROMA log saved?

A--It will be save in SDcard.

File name will be Nature Xperia Advance V3.x IE.log.txt

Q-How can I get the option I haven't selected during AROMA installation?

A-Almost all options are provided as flashable zips Check THIS post.

Q-Having issues downloading OTA fixes?

A-Check the DOWNLOAD post in the main thread.THIS is the direct link for the clock fix.

If you have any queries about this start discussing in this thread.

This thread is made on request of the Developer of the ROM rockernaxo so please also thank him for encouraging me to make this guide.

I've simplified everything as to suite everyone's experience.

Hopefully this guide was useful for you.