Question: Infinix Hot 4 was a smartphone developed by which Hong Kong-based manufacturer?

Context paragraphs:
Infinix Hot 4: Infinix Hot 4 is an android smartphone developed and produced by Infinix Mobile.  The Infinix Hot 4 was announced in August 2016.  The phone is available both in Asian and African market.

Video Genie: Video Genie (or simply Genie) was a series of computers produced by Hong Kong-based manufacturer EACA during the early 1980s.  They were compatible with the Tandy TRS-80 Model I computers and could be considered a clone, although there were hardware and software differences.

Samsung SGH-i300: The Samsung SGH-i300 is a smartphone developed by Samsung Electronics.  Announced at CEBiT in March 2005, it was the world's first smartphone with an embedded hard disk, and was also Samsung's first Windows Mobile smartphone to be launched in the European Union.  Code name of this smartphone project was Thor, and its series had named Odin, Muse each.

Lenovo Phab 2 Pro: The Lenovo Phab 2 Pro is a smartphone developed by Lenovo Group Limited. It is the world's first Tango enabled smartphone. Tango a new technology from Google that enables augmented reality (AR) gaming and utilities.  Objects and information can overlaid into the real using the motion sensor camera equipped in the smartphone.  The smartphone is powered by an octa-core Qualcomm Snapdragon 652 Soc optimized for Tango.

Infinix Note 3: The Infinix Note 3 is an Android phablet smartphone developed and produced by Infinix Mobile.  The Note 3 was unveiled November 2015 and was released globally in August 2016.

X-tigi Mobile: X-Tigi Mobile is a Hong Kong-based smartphone manufacturer that was founded in 2005, the company has research & development center and factory located in China.  X-Tigi service network is available in most African countries (especially Kenya,Ghana) since it entered into Africa in 2009.

Proview International Holdings Ltd: Proview International Holdings (; ) is a Hong Kong-based manufacturer of computer monitors and other media devices.  The company markets its products under its own and other brand name through its extensive distribution network over the world.  Proview manufactures CRT and LCD monitors, LCD TVs, Plasma TVs and DVD players.  Proview has production facilities located in Shenzhen, Wuhan in China, and in Brazil and Taiwan.

Colour Genie: The EACA EG2000 Colour Genie was a computer produced by Hong Kong-based manufacturer EACA and introduced in Germany in August 1982.  It followed their earlier Video Genie I and II computers and was released around the same time as the business-oriented Video Genie III.

Infinix Mobile: Infinix Mobile (Infinix Mobility) is a Hong Kong-based smartphone manufacturer that was founded in 2012.  The company has research and development centres in Paris and Shanghai.  Infinix mobile phones are manufactured in China.  Infinix is available in about 30 countries in the world and popular in the Middle East and African countries (especially Egypt, Morocco, Nigeria, Zambia and Kenya).

HTC Evo 4G: The HTC Evo 4G (trademarked in capitals as EVO 4G, also marketed as HTC EVO WiMAX ISW11HT in Japan) is a smartphone developed by HTC Corporation and marketed as Sprint's flagship Android smartphone, running on its WiMAX network.  The smartphone launched on June 4, 2010 and was the first 4G enabled smartphone released in the United States.

Supporting paragraphs: Infinix Hot 4 Infinix Mobile
Answer: Infinix Mobile