From Audiovisual Identity Database
MangaGamer is an official distributor of visual novels and eroge titles based in Japan, subsidiary of the company Japan Animation Contents. The company provides English translations of visual novels made by developers such as 07th Expansion, Circus, AliceSoft, and ClockUp.
Logo: Over a white background is the multi-colored text "MANGA GAMER" with a heart in-between, with all of its letters tilted, pink bubbles are also seen behind each letter. The URL in pink is shown below, with a line behind it.
Technique: Mostly none.
Availability: Uncommon. Seen on all their translations from Edelweiss onwards.