掌阅 (English brand iReader) was founded in 2008 in Beijing and listed on the Shanghai Stock Exchange in 2017. It is one of the largest paid digital-reading platforms in China alongside 微信读书 and 起点中文网.
memory
Literally 'palm reading' — 掌 ('palm of the hand') + 阅 ('read'). The brand pitch is reading that fits in your palm, i.e. a phone.