An electronic pdf file of the Doromu-Koki dictionary can be downloaded from the following link, and printed if desired.
Doromu-Koki - English (2021) pdf
To install the Doromu-Koki dictionary App on your Android device, do the following steps:
Below is an Android app for the Doromu-Koki dictionary.
Android app Doromu-Koki_Dictionary-1.0
The following is a link to an apk file on Scriptoria:
Doromu-Koki Apk file on Scriptoria