Inspiration from Duolingo. My favorite thing about this app is that they have various ways of teaching you language – text, audio (speaking and hearing), tap to fill in the blank – style, etc.
An option for how the swiping navigation could work. Swiping right would give you a list of your current, related/suggested story paths and/or lessons; Swiping left would take you into more detailed information about what’s being taught on the current card or to a new story path.