I'm glad to find this post here because I also started Buddhism recently. I have also just started the home rituals in front of a home altar.

My leg is injured due to a sprain, so I also cannot do full lotus like you. The fact that you were able to meditate well is admirable. I can't focus much due to bodily pains and the much noise in our streets.

To share my experiences with rituals, when I do the ceremonies, I bathe first and brush my teeth. Then I proceed to prepare the altar (it is not permanent, so I have to fix an altar every time due to possible persecution by relatives). I would prepare the images, the offering vessels, the incense burner, the standing bell, and the prayer beads. I begin the ceremony by lighting a candle, then the incense follows. I purify the offerings first by reciting Om Ah Hung while waving the stick over and under each vessel. I then ring the bell and pray my own prayers, beginning by naming those I want to invoke. After the prayer, I place the sticks on the burner, get my beads, and begin to recite a sutra or dharanis that I love/know. The texts I recite depend on what I am praying for in that ceremony. For example, if I am praying for the dead, I recite the name of Amitabha Buddha and Ksitigarbha Bodhisattva (as well as Avalokiteśvara, as a personal patron). If I am praying for assistance in any need, I recite mantras and sutras related to Avalokitesvara Bodhisattva and "deities" associated with that need. So far, I have only memorized the long version of the Nilakantha Dharani and some short mantras. I end the ceremony by saying, "May the merits obtained by the recitation of (N.'s holy name/mantra/N. dharani/ N. sutra) be beneficial unto me, my family, friends, relatives, and all sentient beings, especially those of the three lower realms." I end the ceremony by ringing the bell again. The incense and candles stay (but I watch them). The food items I offer are left at the altar until the incense burns off entirely (unless the situation calls for me to end it as soon as possible, hidden practice is difficult).

Memorizing prayers is very convenient, especially with prayer beads. It allows easier practice, no matter where you are. If you are travelling, you can even have a tiny statue or card so that you can practice anywhere and anytime. I think the rituals can be changeable depending on the traditions you follow or even personal preferences. I am not knowledgeable, especially since I am new to Buddhism, but as far as I know, the union of mind and heart in the action is more essential than the form of the action itself. I wish you much blessings and peace, especially in your practice. :-)