A retail purchaser of a previously-purchased remote-controlled retail electronic entertainment device may retrofit said remote-controlled device to provide an increased acceptance angle for an infrared receiver thereof by performing the steps of: a) purchasing, on a retail basis, a hemispheric lens; and b) securing the hemispheric lens to the face of the previously-purchased remote-controlled device over the infrared receiver thereof. Retrofitting of a previously-purchased remote-controlled retail electronic entertainment device by a retail purchaser of said previously-purchased device to provide an increased acceptance angle for an infrared receiver thereof may be enabled by performing the steps of: a) selling, on a retail basis to the retail purchaser of the previously-purchased device, a hemispheric lens; and b) instructing the retail purchaser to secure the hemispheric lens to the face of said remote-controlled device over the infrared receiver thereof.