simple small device

[ojej]

Is possible create a small enclosure for tomu, qomu etc. for runing ruby, python or one program?
similar https://hackaday.com/2021/01/07/building-a-pocket-sized-python-playground/ or https://hackaday.io/project/169103-low-power-esp32-handheld

Simple: power (meybe solar too, AA), screen, some buttons, removable tomu.
I can writing a program but im not electronic ;-(
Simple, fast run device for mass