speckletool_X.Y.Z_ARCH.snap
    This file represents the version X.Y.Z, to computers with architectures type 
    ARCH, of speckletool program, It is in the format that snap use to 
    install the snap packages. The installation command is: 
    sudo snap install --dangerous /download_path/speckletool_X.Y.Z_ARCH.snap
    sudo snap connect speckletool:raw-usb
    sudo snap connect speckletool:camera


speckletool_X.Y.Z_ARCH.snap.sig
    This file only is necesary to verify the the author authenticity of the file
    speckletool_X.Y.Z_ARCH.snap.
    This file is GPG binary signature of the file speckletool_X.Y.Z_ARCH.snap, to 
    verify it you can use the next command: 
    gpg --verify speckletool_X.Y.Z_ARCH.snap