[Sprint Samsung Galaxy S 4 Themes and Apps] mmmajor:
I am NOT the creator of this mod but only sharing the link to the SPRINT forum. Confirmed this mod is WORKING on the Sprint Galacy S4. I'm on stock rom rooted and it allows me to customize everything almost. It says or device is not supported but it works.

Original link

http://xdaforums.com/showthread.php?t=2285074

Many thanks to Nottach for this & if you enjoy his mod, you can thank &donate to him in his thread.

Enjoy!

What's New:

Added left clock layout

Set clock, battery, carrier text sizes

Added more smart alarm time options

Added collapse panel after quick setting toggle option

Added disable Bluetooth toggle popup option

Added disable airplane mode toggle popup option

Added brightness slider icon option

Added auto-brightness detail option ??

Matched clear button text and auto brightness text to title bar text

Matched panel buttons to quick setting icon color

Added close handle color option

Added device properties menu

Added disable tethering provisioning option

Added opaque status bar on launcher option

Added hide launcher dock labels option

Added disable loud volume warning option

Added system seekbar color option

Added system overscroll color option

Lots and lots of refactoring

Fixes and optimizations

Other stuff I forgot

Quote:

Features:

Code:

Status Bar -

Status bar background color

Notification panel background color

Notification panel header background color

Notification panel title bar background color

Notification panel notification background color

Hide no notifications title bar

Set clock color

Set clock position

-Hide

-Right

-Center

Set AM/PM style

-Hide

-Small

-Large

Show date with status bar clock

Set date color

Any color signal icons

Any color status bar icons

Set clock/date application

Remove full battery notification

Hide battery icon

Circle battery icon option

Any color circle battery

Set battery text color

Hide carrier label

Custom carrier label

Carrier label color

Signal icon set

-AT&T

-Global

Signal bar count

Hide IME icon

Hide headset apps notification

Hide headset connected icon

Hide smart stay icon

Hide alarm clock icon

Smart alarm icon options

NFC icon set

-AT&T

-Global

Hide NFC icon

Remove WiFi connected notification

Persist data icon while connected to WiFi

Remove WiFi in/out arrows

Quick setting tiles per row

Any color quick toggles

Set quick settings tile background color

Hide quick setting labels

Hide quick setting indicator bars

Framework -

Long home press behavior

-Disable

-Icons only

-Thumbnails

Select double click home button app

Enable all rotations

Turn on screen on plug/unplug

NFC behavior

-Unlocked

-Screen on and locked

-Screen off and locked

Lockscreen -

Hide carrier label

Custom carrier label

Hide emergency call button

Enable lockscreen rotation

Launcher -

Enable scrolling wallpaper

Use small icons and larger grid

Sound -

Skip tracks with volume keys

-Works with headset buttons also

Messaging -

Raise SMS recipient limit

Raise MMS recipient limit

Raise SMS to MMS conversion limit

Show screen on toggle

Enable message save & restore

Increase MMS size limit

Increase MMS image size limit