Complex sentence: Cờ Rôm + is a freeware web browser focused on the Vietnamese market, developed by Vietnamese company Cốc Cốc, based on Chromium open source code, which is the same platform used by Google Chrome.
Split into simpler sentences: Cờ Rôm + is a freeware web browser focused on the Vietnamese market. This browser is developed by Vietnamese company, based on Chromium open source code, which is the same platform used by Google Chrome.