Android Question MapView, labels and markers

[AlpVir]

How do I display a array of labels in mapview instead of array of markers ?
How do these labels launch an Activity with specific parameter ?
An example of this option is in the post https://www.b4x.com/android/forum/threads/osmdroid-mapview-for-b4a-tutorial.16310/page-14#post-232155 but this link is no longer available.
Thanks in advance.

 

[Erel]

Are you asking about GoogleMaps or OSMDroid?

 

[DonManfred]

OSMDroid

 

[AlpVir]

I confirm, OSMdroid

 

[AlpVir]

Is it really difficult or even impossible to see a series of labels instead of just as many markers ?
Species considering that in OSMDOID / MapView there is the layer "LabelsOverlay" which, however, only allows me to insert PNG images already prepared. Not read from a db.
Here is an example created with Photoshop with 6 label (CARMAGNOLA, BRA, FOSSANO, ALBA, SAVIGLIANO, MURASSONE)

Thanks in advance for any help.