François Hünten was a prolific composer of salon etudes and character pieces that were highly popular in the early 19th century. This piece is technically idiomatic, relying on consistent patterns of motion.
The primary challenge is maintaining even, light articulation across the fluid 6/8 patterns.
Comparable difficulty and character — good candidates for what to learn next.
Au Gré des Ondes (Op.195) is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 5.
You should be comfortable at Henle level 4 — meaning you can already play level 3–4 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 Au Gré des Ondes (Op.195) lasts about 4 minutes.
Au Gré des Ondes (Op.195) 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 2 Airs variés by François Hünten, The Entertainer by Scott Joplin, 12 Variations on "Ah vous dirais-je, Maman" by Wolfgang Amadeus Mozart — see the full similar-pieces list on this page.