The archos 5 screen is 4 1/8 x 2.5 inches and with vision problems it's just easier for me to use something smaller than the tip of a fingernail to use onscreen keyboard or in some settings screens
toothpick = too small, breakable .... for me a bic pen is cheap needed as a pen

and somehow I usually end up with more caps than pens in the "junk drawer"