“…There are studies about the influence of font size in users' performance and preference when they are using mobile devices, both with Western characters (Darroch, Goodman, Brewster, & Gray, 2005) and Chinese characters (Huang, Rau, & Liu, 2009), as well as the influence in readability of texts (Mustonen, Olkkonen, & Hakkinen, 2004) and text entry performance (Lin, 2015;Romano, Paolino, Tortora, & Vitiello, 2014;Tu & Ren, 2013) when using this kind of device. There are also studies about the adequate font size for older people to improve their performance and reading speed when they are using mobile devices (Bernard, Liao, & Mills, 2001;Darroch, et al, 2005).…”