[Q] [app] prolem with Longman Dictionary

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http://forum.xda-developers.com – Can someone help me I installed this dictionary to my NEXUS 7. and ONLY CAN USE WHEN MY NEXUS CONNECTED TO INTERNET if I am offline, an error notice appears (even though most of the site saying that this app is working offline) is something to do with java stuff. Error notice with quite a few lines with java commands... Thanks for reading and pls help. Best regards (HowTos)