* Yep, no writing to
color sysfs entries on the Elipsa (despite the fact that they exist, unlike earlier devices without amber leds/ComfortlightPro).
* Yep, it's the usual input translation matrix (and a somewhat more standard input stream, the only quirk being the duplicated ABS_MT_TRACKING_ID).
* A single-tap on a Forma would be the very thing you linked to earlier (the snow snippet in FBink)

.
i.e. (bottom-right corner),
Code:
################################
# Waiting for events #
################################
E: 0.000001 0001 0145 0001 # EV_KEY / BTN_TOOL_FINGER 1
E: 0.000001 0001 014a 0001 # EV_KEY / BTN_TOUCH 1
E: 0.000001 0003 0039 0000 # EV_ABS / ABS_MT_TRACKING_ID 0
E: 0.000001 0003 003b 0000 # EV_ABS / ABS_MT_DISTANCE 0
E: 0.000001 0003 0035 1864 # EV_ABS / ABS_MT_POSITION_X 1864
E: 0.000001 0003 0036 0087 # EV_ABS / ABS_MT_POSITION_Y 87
E: 0.000001 0003 003a 0070 # EV_ABS / ABS_MT_PRESSURE 70
E: 0.000001 0003 0030 0011 # EV_ABS / ABS_MT_TOUCH_MAJOR 11
E: 0.000001 0003 0031 0023 # EV_ABS / ABS_MT_TOUCH_MINOR 23
E: 0.000001 0003 0034 0125 # EV_ABS / ABS_MT_ORIENTATION 125
E: 0.000001 0000 0002 0000 # ++++++++++++ SYN_MT_REPORT (0) ++++++++++
E: 0.000001 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- +0ms
E: 0.049195 0003 0039 0000 # EV_ABS / ABS_MT_TRACKING_ID 0
E: 0.049195 0003 003b 0000 # EV_ABS / ABS_MT_DISTANCE 0
E: 0.049195 0003 0035 1862 # EV_ABS / ABS_MT_POSITION_X 1862
E: 0.049195 0003 0036 0087 # EV_ABS / ABS_MT_POSITION_Y 87
E: 0.049195 0003 003a 0024 # EV_ABS / ABS_MT_PRESSURE 24
E: 0.049195 0003 0030 0023 # EV_ABS / ABS_MT_TOUCH_MAJOR 23
E: 0.049195 0003 0031 0023 # EV_ABS / ABS_MT_TOUCH_MINOR 23
E: 0.049195 0003 0034 0124 # EV_ABS / ABS_MT_ORIENTATION 124
E: 0.049195 0000 0002 0000 # ++++++++++++ SYN_MT_REPORT (0) ++++++++++
E: 0.049195 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- +49ms
E: 0.077087 0001 014a 0000 # EV_KEY / BTN_TOUCH 0
E: 0.077087 0001 0145 0000 # EV_KEY / BTN_TOOL_FINGER 0
E: 0.077087 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- +28ms