Hi, thanks for your reply.
> Can you tell me more about your device, such as make/model, and how
> much RAM memory it has?
https://translate.google.com/translate?sl=auto=en=https%3A%2F%2Fwww.jenesis.jp%2Fproducts%2Fgm-01a.html
> Install the F-Droid 0.102.3 package compatible with your device,
Hi, secmail user.
MSM8916 is a 64-bit chip:
https://en.wikipedia.org/wiki/List_of_Qualcomm_Snapdragon_systems-on-chip#Snapdragon_410.2C_412_and_415_.282014.2F15.29
That could be the reason why the install error message is
"INSTALL_FAILED_NO_MATCHING_ABIS" (ABI - Application Binary Interface)