Yes, this app source code as interstitial ads.

Thank you purchase.

Currently We have set it for learning So, there is no level system. But in our next update it will be including life system.

There is also availabe count down timer in hard level.

For any other help or query, Please contact me via skype : ankit.davda2

also when you choose an answer, the next question should come. Its boring to continuously clicking on next to get the other questions.

the count down is very necessary at all level

Thank you for your suggestion. We will definately use this in next version.

No limit for questions

Yes it has admob

Thank you so much for appreciation.

Thanks for appreciation