We all love it when we get all the best things from two sources combined into one. Like the age old Chocolate Vanilla combination? Well, Samsung Galaxy S3 has got something of the sort - the Codec custom ROM for Samsung Galaxy S3based on Android 4.1.2 giving a hybrid ROM by combining features of AOSP & Samsung official!The ROM is out in beta for Samsung Galaxy S3GT-i9300 but the developers have promised to release an RC soon.

Firmware: I9300XXEMB5 (4.1.2)

Region: Europe

Carrier: Unbranded

An awesome list of features include:

AOSP apps & featuresFull customized installation with AromaFully customizable 23 statusbar toggles and JKay style additional customizable 2nd rowFully customizable statusbar clockFully customizable statusbar batteryFully customizable call recording4.2 apps from the Nexus 4Blacked themeRom Control (Customized CodecROM Settings)OTA for Rom updatesMore free ramHacked/Themed Multiwindow for all appsRemoved bloatMulti languageOptional GNex iconsOptional No SMS in logsOptional Bass BoostA choice of 11 custom bootanimationsModems, Kernels, Music Players, Recoveries, Keyboards, Galleries, Cameras, and many framework modsMultiple 'under the hood' system tweaks to improve (Battery,Speed,Performance, 3g Signal,Wifi,Media tweaks,Better internet speed,Better streaming quality &many other mods n tweaks)The ROM is now at a stage where its nearly a Release Candidate

Codec Custom ROM for Samsung Galaxy S3can be downloaded from the XDA Developershere.

Important:this custom ROM is only for Samsung Galaxy S3 model GT-i9300. Flashing it on other Android devices or models might create bricking issues.