[Nexus 7 Themes and Apps] Spannaa:
There are quite a few softkey mods around for various devices and roms but most of them don't contain the correct pngs or they're the wrong size for use on the Nexus 7.

I've modified, re-sized & re-coloured some of them and packaged them into flashable VRThemes which change just the softkeys and their highlight in SystemUI.apk for stock Nexus 7 roms.

These VRThemes can be flashed in recovery (TWRP or CWM) or using the GooManager app. (Browse all files > devs > Spannaa > Nexus7_VRThemes > SoftKeys_Universal)

NOTE: These VRThemes will not work on the new KitKat 4.4 roms as SystemUI.apk has been moved to the priv-app folder.

Update: There are instructions on how to use them on KitKat 4.4 KRT16O in this post ;)

Downloads

Alternative Dev-Host download link as goo.im 'lost' a lot of the VRThemes during their server move...

Stock Style SoftKeys

ICS Blue Stock Softkeys Universal VRTheme

Blue Stock Softkeys Universal VRTheme

MIUI Style SoftKeys

ICS Blue MIUI Style Softkeys Universal VRTheme

Blue MIUI Style Softkeys Universal VRTheme

White MIUI Style Softkeys Universal VRTheme

Sony Xperia SoftKeys

ICS Blue Sony Xperia Softkeys Universal VRTheme

Blue Sony Xperia Softkeys Universal VRTheme

White Sony Xperia Softkeys Universal VRTheme

neXus SoftKeys

ICS Blue neXus Softkeys Universal VRTheme

Blue neXus Softkeys Universal VRTheme

White neXus Softkeys Universal VRTheme

Motorola SoftKeys

ICS Blue Motorola Softkeys Universal VRTheme

Blue Motorola Softkeys Universal VRTheme

White Motorola Softkeys Universal VRTheme (Thanks to evilisto)

Other SoftKeys

Blue Osci Nik Softkeys Universal VRTheme (Thanks to nikosrs4)

Blue Big Osci Nik Softkeys Universal VRTheme (Thanks to nikosrs4)

Grey Nik Softkeys Universal VRTheme (Thanks to nikosrs4)

ICS Blue Nik Softkeys Universal VRTheme (Thanks to nikosrs4)

Metro Blue Softkeys Universal VRTheme (Thanks to atticus182)

Metro White Softkeys Universal VRTheme (Thanks to atticus182)

Web2 Text Softkeys Universal VRTheme (Thanks to atticus182)

Roboto Blue Text Softkeys Universal VRTheme (Thanks to atticus182)

Roboto White Text Softkeys Universal VRTheme (Thanks to atticus182)

FLX Softkeys Universal VRTheme (Thanks to flx-grafix & ÜBER™)

Dash neXus Softkeys Universal VRTheme

Frosty Softkeys Universal VRTheme (Thanks to vicino)

Bluemint Softkeys Universal VRTheme (Thanks to vicino)

Stock ICS Blue Reflect Softkeys Universal VRTheme (Thanks to atticus182)

Stock White Reflect Softkeys Universal VRTheme (Thanks to atticus182)

Blue Circles Softkeys Universal VRTheme (Thanks to s60mike)

Blue Reflection Softkeys Universal VRTheme (Thanks to hxdrummerxc)

Cyan Honeycomb Softkeys Universal VRTheme (Thanks to s60mike)

ICS Blue Zenyth Softkeys Universal VRTheme (Thanks to arzbhatia)

White Zenyth Softkeys Universal VRTheme (Thanks to arzbhatia)

ZTE Grand Softkeys Universal VRTheme (Thanks to atticus182)

Airbrush Softkeys Universal VRTheme (Thanks to atticus182)

Airbrush ICS Blue Softkeys Universal VRTheme (Thanks to atticus182)

Full neXus Softkeys Universal VRTheme

Paperish Reflected Softkeys Universal VRTheme (Thanks to nikosrs4)

Sticky Softkeys Universal VRTheme (Thanks to nikosrs4)

Icicl Softkeys Universal VRTheme

Icicl Buttons Softkeys Universal VRTheme

Revert To Stock SoftKeys

Revert To Stock Softkeys Universal VRTheme

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If you want a 1% animated battery mod too...