This arrangement focuses on the lyricism of Mozart's themes, characteristic of Duvernoy's pedagogical yet artistic approach. It is distinctive for its clean texture and focus on bel canto piano playing.
Focus on maintaining a beautiful, singing tone throughout the melodic passages.
Comparable difficulty and character — good candidates for what to learn next.
'Don Juan' de Mozart (Op.284) is rated Henle level 5 of 9 — late intermediate repertoire, roughly ABRSM grades 6–7. In the RCM system it corresponds to about level 7.
You should be comfortable at Henle level 5 — meaning you can already play level 4–5 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
A typical performance of 'Don Juan' de Mozart (Op.284) lasts about 6 minutes.
'Don Juan' de Mozart (Op.284) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.
Pieces at a comparable difficulty and character include 12 Variations in B-flat major by Wolfgang Amadeus Mozart, Am spinett by Christian Sinding, 12 Variations auf die Folie d'Espagne, Wq.118/9 by Carl Philipp Emanuel Bach — see the full similar-pieces list on this page.