I have changed some options in my Anki,like,for reviewing cards in the bottom of the app I have only 3 option(easy,hard and good)I don’t know how I can change it again, I’ve watched many many YouTube video but none of them wasn’t about solving this problem.in reviewin my words decreased,I’m planing to take part in ielts exam therefore this issue is kind of bothering.please help me if you can.im clamouring 
If you want to restore the default settings, there are buttons next to each option to do that:
In older versions:
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Dear abdo.
First of all,in glad to have your advice,I solved this issue eventually.
Would you mind if I asked a new q?
I’m using Anki on my cellphone,can I have a option for typing due to improving my spell?
Try using the “Basic (type in the answer)” note type. Please see Field Replacements - Anki Manual
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