For stocks you should include an automated dividend reinvestment feature. It isn't difficult to get the dividend amount and date for each stock. Much easier and more intuitive than having us manually enter the dividend information. I guess if there was support for exchanges this wouldn't be an issue, so I guess just work on that. Still would make the manual transactions more intuitive though.

https://www.londonstockexchange.com/

Currently, etfs added to portfolio under "funds" from asx do not show profit or loss. They all remain grey, while displaying correct prices. Funds that won't load include ndq.ax , hack.ax , asia.ax , rbtz.ax , qau.ax etc. They should be displaying as green or red if they made a profit or loss that day, but do not.

Stock exchange in Canada. 9th largest in the world by market cap. https://tsx.com/

https://www.bseindia.com/ Asia's oldest exchange with market cap of US$2.1 trillion

http://www.b3.com.br/en_us/ Brazilian Stock Exchange

https://www.hkex.com.hk/?sc_lang=en

A huge consumer base lies in India, undoubtedly being the 2nd most populous country in the world. Add the Nifty index of the Indian stock market. This will usher in a mammoth number of users as they can track both their stock & crypto investments on 1 app. And currently there's no one in the market which provides this.

Lot of stocks that are traded over the counter (OTC)

Bolsas y Mercados Españoles (SIX Group) includes the spanish exchanges. Bolsa de Madrid and BME Growth are the relevant ones.