It has 2D Advanced Map Viewer – OpenLayers and 3D Scene /Perspective View with ThreeJS. In-app Vector Tiling and advanced
 Download Tiles from Tile Server and WMS (in GPKG and conversion to MBTiles).  
The app supports dynamic efficient rendering of large GPKG Vector Features to Raster Tiles with styling
The app supports document viewer.
The app supports data and online mapping services.  
The app has a data catalog JSON format feature that allows for configuring online mapping services (ESRI MapServer, ESRI ImageServer,