Irregular Past Tense Verbs Spelling Game on your iPad & Mobile Devices practice - Use this ESL drag and drop Spelling Game for ESL Learners. It is suitable for use with ESL learners. This game is also excellent for teaching Vocabulary spelling and word recognition. ESL Learners and Teachers can use it to review English vocabulary or simply practice these words. It is great for student practice. This game should be viewed on a mobile platform like - iPad, iPhone, Android Devices and other which support HTML5. HTML5 is the new web standard which is good on devices without adobe flash.