Also, Lilly is a heroine from the North, Mario is a plumber with a moustache from Italy. That's a difference, I'd say. 
People are comparing Lilly's Saga to Mario, but I see a major difference which deeply affects gameplay: the lack of inertia!!!
Please, please please keep the movement the way it is (without inertia).
You're doing an incredible job! Keep the good work!
Thank you, and well spotted. Well, it is deliberate. I am wary to add inertia, as I feel that the player loses control. Right now, playing the game feels quite good in this area (in my own heavily biased opinion). Perhaps too good --because, if you are a good player, the game may be too easy. But I'm working on that 
OTOH, some/subtle intertia "looks good" (mostly on videos). With that in mind I might do something in this area (visually only?). Not sure yet. We'll see.
The game is influenced by Super Mario Bros (1985), but also Wonderboy, Zelda and others. Lilly has puzzles, some levels with vertical scrolling (well, like later Mario games ) and there are other differentiators too, naturally.
Yep: coins, diamons, rings are common so why not? Bengalak, you got a mail 
Looking really good, and movement us very smooth!! And as others said, I also like the lack of inertia! This is moving fast!!!
Thanks.
About speed. It is fast (2px pr frame). Personally, I like 50Hz better, as it fast, but not as fast as 60Hz. And then you may design the game for speed-powerups... Should the game start slow, and you need to find a powerup to move faster? Then you need to design levels which works well for both low speed and high speed. As an overall task for the level designer, this is difficult to get correctly balanced. I'm doing it the other way around. I wanted the player to feel empowered from the get-go, and start fast. But I do have slowdowns (think mud or wading in waters) in parts the game. Unless you have a powerup, you slow down in these areas only It becomes easier to balance out the difficulty-degree in the levels this way. Seems to work well so far.
I simply Love it how is it!
A platformer with puzzles and the graphic is superb !
My Loved genre.
Congratulation !
Thank you Gig71. Appreciate the feedback! And: MY favorite genre too