1. Play arpeggios on different keys. (15 minutes)
2. Improvisation on backtracks :
Pentatonic scale (10 minutes)
Blues scale (10 minutes)
3. Exercise the chords I found yesterday in the song I tried to play and make variations to it. Eg. a 7th chord played as a 9, 11, 13 ... (15 minutes)
4. Checkout some online lessons. Eg. on youtube (30 minutes)