annotation and marker include custom View by using PointAnnotation or SymbolLayer(especially on android) · Issue #274 · react-native-mapbox-gl/maps · GitHub
Mapbox tutorial for android: Map, Geolocation, Markers – fabcoding
Mapbox on Twitter: "Introducing the new new custom marker API in Mapbox GL JS. Give it a try! https://t.co/l5vJtR1mN8… "