Used libraries

NineOldAndroids (Link)

by Jake Wharton, licensed under the Apache 2.0 license (View)

Apache Commons (Link)

by The Apache Software Foundation, licensed under the Apache 2.0 license (View)

flattr4j (Link)

licensed under the Apache 2.0 license (View)

drag-sort-listview (Link)

licensed under the Apache 2.0 license (View)

Presto Client (Link)

licensed under the Apache 2.0 license (View)

Better Pickers (Link)

licensed under the Apache 2.0 license (View)