Update 2017-05-23: Fixed link for ESL Podcast #837. 2016-12-22: Changed ESLPod links to Lizhi.fm. See ESLPod Links Broken. Added ESL Podcast #203. 2016-07-22: Added DrewsESL.
Here are some audio exercises and podcasts for English learners on the topic of mobile phones / cell phones.
Audio + exercises
G.A.L.E.S.L. / joe3
Some tips and links on learning English.