Even without login the user can save personal relevant elements together with a priority and values in a local database. Also the users can collaborate. They will profit from curated item relations for example for information mapping (Wikipedia) (Q381003) such as mindmaps or conceptmaps. Further features get stepwise implemented.
Current Android download link: WikidataMap.apk
Before installing please openup your Android install for external sources before. This can be found normally under settings “screen lock & security” menu entry “unkown sources”.
Otherwise please wait for our first official release in the Google Play Store.