Struct Boot 

pub struct Boot {
    pub app: Option<&'static str>,
    pub manifest: Option<&'static str>,
    pub assets: &'static [u8],
}

what build_rs.py built into the program

Fields

app: Option<&'static str>

the app’s name for its folders (plat::vfs::set_app_id)

manifest: Option<&'static str>

the app’s permission manifest (plat::policy::install)

assets: &'static [u8]

the app’s assets, a JFA1 bundle (app://); empty without assets