Language Tango

An app that helps users to check their English skills as regards to correct use of prepositions in a sentence.
It has the following features.
1. Has sentences concerning almost all the English prepositions.
2. Once you solve the easy ones, the sentence tend to get harder as newer and less frequently used prepositions come up.
3. Has option of saving your progress and then again beginning from that score.
4. Has the option of reset so that you keep playing till you become confident in the use of prepositions.
5. Has the option of sharing your score on Facebook so that you can compete with your friends and checkout who's better. ;-)

If you do like the app, like the page on facebook at https://www.facebook.com/languagetango.
Please do post your suggestions, if any. If possible it will be incorporated. :-)