The cheap "generic/no brand" ones don't, but the Huawei and ZTE ones do, and both companies are on track to be bigger than Samsung - Huawei made 35 billion last year, compared to Samsung Electronics' 52 billion. ZTE is smaller at 15 billion.
Speaking of Android phones, see for example the Huawei Ascend p6, not yet Samsung Galaxy S4 territory but it's getting closer:
Speaking of Android phones, see for example the Huawei Ascend p6, not yet Samsung Galaxy S4 territory but it's getting closer:
http://www.gsmarena.com/huawei_ascend_p6-5467.php
Edit: for completeness, a ZTE high-end phone, not yet as polished as Huawei's I think. Sold as "Sprint Vital" in the U.S.
http://www.gsmarena.com/zte_vital_n9810-5511.php