I tried rad reader on aarch64 using box64 and I did not manage to get it to run. It exits with code 127, which I'm not sure if it comes from box64 or your app.
Here are some logs if it helps.
https://paste.sr.ht/~istar/3275e084556bdcb34477579ea72e4a8d481e1b0e
Please consider a native build for aarch64 in the future! :)