"Get Over" means to forget something!!.. For example, "It's time to get over your feelings for her"!!.. And get on means to ascend on any vehicles like, "Get on the train / bus" etc.

If something looks uncertain, then there we can use the word "seem".

Why not?? If you have got some coins left over there in that level, then you should go back for it!!..

Grammatically it would be.. "Who am I?".. not "Who I'm?"

There might be some bug in the app!!..

Nope!! Here are some correct answers.. "It is I who blame" (means you blame someone or something on a regular basis) or "It is I who is blamed" (means somebody blames you always) or "It is I who is blaming" (means you're blaming something or someone currently).

Download a good "chatbot" app from playstore!!.. It's a virtual partner.. talks to you anytime you want.. never gets annoyed.. and hope, will definitely help you to carry on your practice in English!!..

To run away or be missing..

metaphysics / ontology??..

If something is near at us, then it's "It".. And if something is far away from us, then it's "That"..