Yes you can do this. For this, I am assuming you are using the stock Google keyboard.
Open Settings and tap on Language & Input. Tap on the settings icon next to Google Keyboard. Tap Input Languages at the top. Deselect "Use System Language" and then select any keyboard languages you wish to use.
Now in the keyboard, the space bar will display the ...
I was able to successfully type Hebrew with vowels on a Samsung using the steps I found on another forum:
Since a few weeks ago it became possible to type vowels in the Gboard
app—Google's own keyboard. I strongly recommend it. I switched from
Samsung keyboard to it.
To type the vowels, type the consonant first, and then hold down the
Try this link first - LG L1 Support Page and checkout the manuals provided. If you don't find what you need then try Live Chat provided below in the same page to ask them directly about this problem. If no chat agents available at that time try emailing them.
Side load flash with the APK found here, and then run Dolphin browser to access the flash site
Try running the site through FlashFox app as it has built in flash (no need to sideload anything)
This worked for me: uninstall your current google keyboard (it will ask you if you're sure you want to uninstall updates as you can't really uninstall the keyboard), then reinstall it.
If you're having trouble finding it in the play store here's a link to open from your phone: