My Nintendo in Europe is now offering a wallpaper inspired by the recently-released Detective Pikachu game for the Nintendo 3DS family of systems. You can redeem your My Nintendo points and plaster your PC or smart device with detective Pikachu’s adorable face! This reward can be yours for 50 Silver Coins and is available until August 1, 2018. Detective Pikachu is now available for purchase on the Nintendo 3DS family of systems.
Source: My Nintendo news