Shared room in a shared apartment stands for one bedroom for two people in an apartment shared with other exchange students. You will have the same facilities than in a room for single person, but there are two beds in one room. Shared apartments have a kitchen with stove/oven and refrigerator, usually one bathroom and toilet. In addition, some apartments may have a balcony. There are separate shared apartments for male and female students.
In DAS XI all the rooms in 3 room shared apartments are shared. In DAS Lauri one room is 3 room shared apartment is shared.
This is a good option if you want to share the room with your friend. In the application, please remember to mention the name of the person you want to share the room with. He/she also has to send an application to DAS.