Dear Linda,
Strictly on the toilet training front, by all means be patient. Continue to
supportSupport
Support 500 and reinforce your daughter's efforts - it sounds like she's on the way. She'll get there.
Now, relative to the frequency of her urination and her splashing, the former probably does deserve some attention via, at least, an examination by her pediatrician and perhaps some lab work. The play itself I wouldn't worry about - she'll get over that as her development proceeds.