It is not possible with these tags as they are hard coded to go to the target "_black". Depending on the complexity of your text, you may be able to use the ABMLabel property TextAsRAWHTML where you could set something like:
B4X:
lbl.TextAsRAWHTML = $"some text <a href="http://alwaysbusycorner.com/">The link</a> other text."$
It is not possible with these tags as they are hard coded to go to the target "_black". Depending on the complexity of your text, you may be able to use the ABMLabel property TextAsRAWHTML where you could set something like:
B4X:
lbl.TextAsRAWHTML = $"some text <a href="http://alwaysbusycorner.com/">The link</a> other text."$