Apps and Games by Otek International Inc.
日語單字速讀 - 交通篇
Version 1.14 January 08, 2018
彩圖實境旅遊日語
Version 1.16 August 10, 2023
常春藤基础英文词汇 2250 Lite
Version 2.01 August 20, 2020
關聯式單字2000速記，正體中文版
Version 1.07 August 25, 2017
每日一句學韓文, 正體中文版
Version 1.22 August 15, 2023
每日一句學英文, 正體中文版
Version 1.30 July 22, 2023
常春藤基础英文词汇 2250
Version 2.03 June 25, 2020
日語單字速讀 - 服飾篇
Version 1.14 January 08, 2018
空中美語基礎單字 2000
Version 2.06 May 30, 2023
Transwhiz English/Chinese TW
Version 2.78 October 03, 2022
Transwhiz 日中（簡体字）翻訳/辞書
Version 2.68 October 12, 2022
Transwhiz 日中（繁体字）翻訳/辞書
Version 2.82 October 06, 2022
Transwhiz English/Chinese
Version 2.76 June 01, 2020