** This is test application! **Just check how to work Google Android LVL(License Verification Library) for research.[1.Try License chache]* Firstly, start this app and check licence.* Then, kill network (flight mode) and re-start this app.->You can see license still available. (license cached)[2.Try license check faild]* Uninstall this app and re-install to clear license cache.* Then, kill network (flight mode) and start this app.->You can see license NOT allowed.