This is an app version of the free English-Japanese/Japanese-English online search service "Eijiro on the WEB" which contains over 2.3 million English-Japanese headings and over 2.6 million Japanese-English headings. We have optimized ``Eijiro on the WEB,'' a service that allows you to use the English-Japanese and Japanese-English bilingual database ``Eijiro'' online, which was launched in 1998, for mobile devices. Those who use English on a daily basis, such as business people whose company's