The Waka Waka EA v2.12 Source Code MQ4 is the source code for an Expert Advisor (EA) for MetaTrader 4 (MT4), written in MQ4 language. The source code allows you to view, modify, and customize the EA's logic and strategies. Waka Waka EA is likely an automated trading system, and having the MQ4 source code means that you can inspect the underlying code, make adjustments, or add features to fit your specific trading needs.