Avios are the frequent flyer currency of QR Privilege Club ffp.
Avios are also used by BA, IB & IE. Each ffp has different rules. Subject to t&c's avios can be transferred between BA-IB-IE-QR-avios.com. BA forum has threads on transfer,

You can earn avios flying QF Qantas in Australia. Crediting as BA avois can be a lot better the QR Qatar avios. Some QF flights to QR avois are poor earners.
You can earn QR avios flying VA Virgin Australia in Australia. QR & VA are now ff partners.