androids have unnatural facial expressions and movement
Androids are getting closer to looking like humans but there is still something strange about them. Their movements are jerky and they don't have a soul. They are obviously just robots.
「アンドロイドの表情や動きが不自然」= an android's features and movement are unnatural / androids have unnatural facial expressions and movement
ボキャブラリー
features/facial expression = 表情
movement = 動き
unnatural = 不自然
「姿形は、人間にかなり近づいて来ているけれど、なんか変なんです。顔や体の動きがギクシャクしていて魂がない、やはりロボットとしか見れない」= Androids are getting closer to looking like humans but there is still something strange about them. Their movements are jerky and they don't have a soul. They are obviously just robots.