FYI, you can use this and key re-mapper on android and it will toggle the dash with left and right
https://www.amazon.com/dp/B081RLWSTL?psc=1&ref=ppx_yo2_dt_b_product_details
https://play.google.com/store/apps/details?id=io.github.sds100.keymapper&hl=en_US&gl=US