[Vibrant Android Development] Audiracecar90:
A-4.4.2 ROM

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A-ROM CHANGELOG:

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Remove any unnecessary permissions

VM optimization

Slimmed 135 mb

Disable Security

New Better look and Slimmer Apk Music

less font file (its better for system)

Add tweaks for battery life and performance

Add Script "Seeder"

Optimalize bulid.prop

new better stock clock

delete apps

Change DPI (210)

remove auto update omni

Less RAM usage

Disable logcat

16bit transp.

Disable Logers

Enabled purgeable

Disable JIT

Optimization system/bin

Disable Android Device Check In.

Disable Extended JNI Checks

Optimization ART (faster application loading)

Corrected Dalvik

Fix lags, when watch video

Change video quality

improved sqlite

improved OOM_ADJ Settings

improved net buffer

Smooth FOREGROUND apps

Disable debugging notify icon on statusbar (Offloads CPU)

Performance boost in deodexed (Stop verify bytecode in system & data apps)

Watch Video should will better too (Add bulid.prop code video.accelerate.hw=1)

Fast reboot

390mb ram

Chenge ICON

Change Keyboard

Launcher like MM

And more..

Mackay Changelog​

Mackay kernel

Christopher86's cortex-A8 optimized Linaro toolchain (January version)

O3 optimization

updated to linux kernel version 3.0.101

SLQB memory allocator (default, should be slightly faster)

XZ compression of kernel & initramfs

396MB RAM

SIOplus scheduler

Added Lagfree governor

ROW scheduler (tweaked, default scheduler)

FIOPS scheduler (tweaked)

XZ compression of kernel & initramfs

many improvements to IO schedulers in general

Deadline tuning (thanks to DerTeufel)

Ondemand tuned (updated based on code of stratosk)

SmartassV2 governor

OndemandX governor

Interactive governor (updated to android 3.4 code + fixes)

Wheatley & Lulzactive governors

Conservative tuned

Call volume hack (use “Settings>Mackay Settings”* to set volumes)

Reduced battery polling interval

Fast charge (activate through “Settings>Advanced Settings”* or the QuickCharge toggle in MackayROM)

WiFi PM_FAST mode selection (activate using “Settings>Mackay Settings”*)

Battery life extender (set through “Settings>Mackay Settings”*)

CustomVoltage (set using NSTools)

USB OTG support (needs external power supply)

1100-1400MHz OC steps

Custom kernel splash (Thanks to Malcho)

Updated charging logo to match open charger

Disabled swap & zram

Improve memcopy/memmove

Improve the performance of memcpy and memmove

Kill task closest in size to memory needed to free

LOAD_FREQ (4*HZ+61) avoids loadavg Moire

Entropy tweaks: http://lwn.net/Articles/489734/

backport CPUIDLE from 3.5

arm/crypto: Add optimized AES and SHA1 routines

Unaligned CPU access

Improvements to RWSEM code

Improvements to binder code

Improvements to tmpfs

Added frandom (much faster random number generator)

Updated to lowmemorykiller with PID whitelist (thanks to stratosk)

Many parts of the code build as module to reduce effective kernel size

Updated wifi driver to 5.90.195.114

Updated GPU driver to DDK 1.8@2198402

Proportional Rate Reduction for TCP

Introduce timer slack controller

Zram patched

Low RAM switch option (default off)

Installation​

Wipe data

Format /system

Flash rom

Reboot

Downloads​

Rom

Credits

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All credits will goes to Dracov76 who built this wonderful rom for i9000.

And to Martin_devil i use his omni rom as base.

Information and thanks

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A-4.4.2 ROM

A-ROM: 1.2

Last Update: 16.02.2016

Anroid: 4.4.2

Bulid: OmniROM/Mackay

Orginal Thread

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Here