This is a project I've been playing around with for a while now during my commute to work.
It's called Hovercraft and it's a game where you fly a weird little ship collecting gems and avoiding obstacles on your path to the landing zone.
you control the ship by firing any of your craft's jet engines, it's fairly hard to control so most levels can be completed in less than a minute.

It uses Google+ for leader boards and achievements.
https://play.google.com/store/apps/details?id=com.bornander.hovercraft

The game is using AndEngine with Box2D for physics, the graphics is a low-res version of a Kenney tile-set.



The game is currently in alpha testing in Google play, here's a video of me trying it out on a tablet;
<a href="http://www.youtube.com/v/cEh2BkB2fT0?version=3&amp;hl=en_US&amp;start=" target="_blank">http://www.youtube.com/v/cEh2BkB2fT0?version=3&amp;hl=en_US&amp;start=</a>

I've moved this game out of beta and into prod now.
It's available on Google Play (free and no ads or in-game purchases) for anyone who wants to try it.
https://play.google.com/store/apps/details?id=com.bornander.hovercraft

If anyone does give it a go I would very much like feed back on the difficulty. I've deliberately made it difficult (to to point where I expect a beginner to have to try several times to complete the first level), but I obviously don't want it to be too difficult.

Any feedback is appreciated.

This made my day!
The fact that you liked it and took the time to tell me so is something I appreciate very much. It motivates me to finish off the game by ironing out the last bugs (sorry about them) and adding a config options that allow the player to tweak the controls a bit.

I know the levels aren't exactly incremental in difficulty, I'm writing this game on my commute to/from work and level design is something that I haven't given the priority it needs (I've gone for finishing the game instead). I know that's an area I have to work on and I'll try to do better.

Again; thanks for the feedback and for telling me you like my game.

/bornander

And I love that you took the time to tell me so!   

Thank you for trying it and thanks for commenting on it.

/bornander

Yes. Their weight is proportional to their size, so the red one is more sluggish.
A few chapters later you get  a smaller yellow one, with is more agile. In all honesty, those to chapters are there to stretch out the game as they're both contain only copies of previous levels, that you now have to navigate with a different hover craft.

Yeah, every third chapter is a re-hash of the previous two.

I've tried the game with the new settings and they make it a lot nicer. Not only the bigger buttons are very nice, but the control difficulty slider is a nice addon as well. I still can't manage level 7 of chapter 4 though, but I think that's just my lack of skill.

I played it for two days now. It's fun!

Here are some things you might want to improve to make it even better:

The contrast between light-blue sky and white letters is weak. There are way to solve this:

- add a dark outline to each letter (this solution is the best, but I assume needs most work)
- make the sky a little bit darker
- make the letters black or maybe some gold/yellow shade

As for the gameplay, there are two frustrating moments:

1. when you fall on the "roof". You have to restart the level, but there is no button on the screen for it, I have to use the back button on the device to get it to show. Looks like a nitpick, but making the game dynamic is what made Flappy Bird a hit.

2. falling all the way down. You have to wait until it gets there. Of course, having a restart button on the screen would fix that. But maybe, you could add a huge horizontal platform at the bottom that bounces. So if you fall off, you could bouce and try to climb back up.

Also, could you please enable the immersive mode on KitKat. My son keeps hitting the back and home button on the device all the time. If you're not sure how it's done, and you're using libGDX here's the code:

http://bigosaur.com/blog/32-handle-immersive-kitkat

So I am working away implementing the comments given to me when a user emails me this screenshot from him playing the game.
He somehow managed to land the hovercraft with no landing gear or no engines attached.

I might just have to add an achievement for that particular scenario

Here's how I'd do it (since you asked) 

Move the fuel and time to top-left corner one underneath the other.

Move the restart and menu button into top-right corner. Use the standard graphics:

- rewind icon for restart (just like the one you use when the player drifts too far away)
- pause || or hamburger (3 horizontal bars) button for menu.

Looks great.

Here are a couple of things you might want to fix as well:

1. When you restart the level the sound keeps playing. To reproduce: press B button and hit Restart while still holding B. The level will restart. Release B - sound keeps playing.

2. When I'm holding the phone/tablet upside down (I have to because it's charging and I'm in bed and the cable is too short   ) it would be nice if the screen turned as well. Doing this is a simple, just add this line in AndroidManifest.xml:

android:screenOrientation="sensorLandscape"

The device will do the rotation automatically.

Cheers! Again, thanks for suggesting it.

Fixed.
Fixed.

I just pushed version 1.6 to Google Play, you'll have to wait for that to filter out before you can comfortable play while charging in bed  

And I can't tell you how grateful I am that you're not only pointing these issues out, but also suggestion solutions. It is very much appreciated.

The new UI options are great. And I wouldn't mind too if you added some ads here and there.
I still find it quite a fun game even though I still can't manage to solve that level.

Keep up the good stuff!

Mmmm a bit of a tease, huh? Curious to see what you will bring us next

Thank you! I'm glad you liked it and I really appreciate you taking the time to tell me so.

It's just done based on time, but the limits for each star is individual to each level.

You need to finish all the levels in the previous chapter.

Fair point. I thought that it was obvious that you had to complete chapter one to see chapter two, as that is how the levels work (you have to finish level one to unlock level two), but for the stars it's a little bit more obscure, and I have gotten the same comment from other users.
I don't know a good way, short of telling you at the end of the level "if you had been 1.2 seconds faster, you would have gotten two stars", to indicate this though. If I figure something out I'll add it, unless you've got a suggestion?