Amikumu: https://play.google.com/store/apps/details?id=com.amikumu.amikumu

Esperanto Radio: https://play.google.com/store/apps/details?id=dk.nordfalk.esperanto.radio

Portable Reta Vortaro: https://play.google.com/store/apps/details?id=uk.co.busydoingnothing.prevo