Specifically for laptop keyboard i dont know. But u can get a blank sticker (vinyl) of any color cut out for the amount u need at any of the sticker shops in @Downtown , a series of shops carry the name "tabaza" exact address: along King Talal street, they'll e on ur right hand side (keep husaini mosque to ur left and head towards ras al ein @Al Hussein Cultural Center )
If you go to @Downtown and ask around you'll find small shops called Attar (عطار) that carry all sorts of oils (you'd be surprised at the variety of strange things) but no herbs I'm afraid.