Hello @mjackson122
As per the screenshot which you have shared, it shows View, so if you want to see all the fields which you have added, select the record then click EDIT RECORD, to view the same..
For adding Fields into the form, try following steps
1. Navigate to https://make.powerapps.com
2. Click Dataverse --> Click Tables
3. Click TEST table
4. Click Forms open MAIN form
5. Once page opens click TABLE COLUMN at the left side the add the columns which is required. Then Save and Publish
To add VIEWS as per your screenshot try following steps
1. Navigate to https://make.powerapps.com
2. Click Dataverse --> Click Tables
3. Click TEST table --> Click Views -->Open ACTIVE TEST VIEWS
4. Once Page opens click Add Column and Add the field then SAVE and publish.
Please mark as Answer if it is helpful and provide Kudos
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