Every Android software mentioned record can be downloaded from the Play Store for free though some do offer inexpensive in-app acquisitions for unlocking premium features. Also, the set of essential programs skips commons software like Google Drive, Yahoo Photos, WhatsApp, Google Maps or Gmail since they are factory-installed of all newer phones.
https://play.google.com/store/apps/details?id=com.authy.authy
https://play.google.com/store/apps/details?id=fm.castbox.audiobook.radio.podcast
https://play.google.com/store/apps/details?id=com.lexa.fakegps