No. The mobile app is currently limited to uploading receipts for later processing.
After uploading, your receipts appear in the web app's Receipts Inbox. From there you can convert a receipt into a new transaction in the Expense Tracker, or connect it to an existing transaction.
The receipt table tracks the status of every receipt, so you always know which have been processed and which still need attention.
Read the full article: Can I enter transaction and expense data directly from the mobile app?