We have updated the app to solve the problem mentioned in comments. Anyone that had a problem with downloading lessons should please update the app and the issue will be automatically solved. Also, after downloading the lessons they will be permanently stored on your phone and can use the app offline.
According to the antivirus report, the app is safe and secure. Portuguese Lessons Flashcards is developed by LangLearner LLC and its category is Travel & Local. The latest update was on Oct 12, 2013 and the tool was downloaded and installed by over 10K users.
This application has the overall rating 4.1 on Google Play. Download the .apk installer of Portuguese Lessons Flashcards 1.12 that is absolutely free of charge and have a look at users' reviews on Droid Informer. This application setup package requires 129 KB to be successfully installed. The app is created for Android 1.5 and higher.