picWall is an app developed by the photographers Rafael Ramos and Tariana Mara. Together, they decided to create galleries of their best images and make them available for people to use them as HD wallpapers on their Android phones.This edition of picWall brings pictures of the Spring time in the city of Amsterdam, in the Netherlands. Future editions with different themes are already planned and they will also bring great and exclusive images from the photographers.On picWall, each picture comes with some information about the place it was taken and who took it.