Keyboards sure are hard to beat. Maybe a foldable blue-tooth keyboard that you can have in your pocket and then place on your lap or a table. Where do you plac

Keyboards sure are hard to beat. Maybe a foldable blue-tooth keyboard that you can have in your pocket and then place on your lap or a table. Where do you place your mobile while typing with both hands though ? Maybe in a casing so it can sit on your lower arm. Or a Velcro/burdock case so you can place the mobile on textile surfaces.