Other than its dual rear camera advantages, the 5.5-inch FHD smartphone will have 2 GB RAM, a quad-core MediaTek SoC, dual-SIM capabilities, and MicroSD support for just under $150 USD.
http://www.notebookcheck.net/Bluboo-Dual-will-be-one-of-the-cheapest-smartphones-with-dual-rear-cameras.187334.0.html