Game doesn't recognize my playing
1) Make sure that you have tuned your guitar with Yousician tuner. If your guitar is out of tune or tuned with alternative tuning Yousician can't recognise your playing.
2) You microphone input could be too low. Please check that your microphone input is high enough. You can see how to do it from these links:
3) Your background music could be too loud. If you are using speakers, make sure that those are not too loud. Alternatively you can use headphones.
4) Turn off any effects on your electric guitar. Any effect will affect the recognition, please use as clear signal as you can to get the best recognition
Game is not recognizing my Em (or E-chord)
See here for the instructions: Getting Em correct