The "I give blood" app allows plasma and blood donors in The Netherlands to register when they have donated and what there blood pressure and Hb values were. This automatically generates a graph with an overview of blood pressure and Hb value. Other functions include finding the nearest location to donate blood and an overview of all donation locations in The Netherlands. The app also offers entertainment: it includes a game in which the player can save lives by catching blood bags using an ambulance. The score in the game can be shared with friends through Facebook and email.